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Industry Report

Scientific Instruments

Knowledge Graph Entities
Dominant · SE Outbound Links ρ=0.383

AI recommendation signal analysis across 1,063 domains and 11 buyer personas in Scientific Instruments, led by thermofisher.com as the most LLM-recommended domain.

1,063Domains Tracked
11Buyer Personas
knowledge_graph_entities.report
EntityScore
Guava Muse
66.4
Exact Online
60.0
LC GC Europe
54.9
Exact
48.8
Journal of the American Society for Mass Spectrometry
48.3
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About This Report

How to use this page

Industry view: this page aggregates every persona's data for the whole industry, plus industry-wide queries. Pick a persona from the sidebar to narrow the lens to one segment.
Use Case

Check your knowledge-graph footprint

Wikidata is the structured knowledge graph behind Wikipedia, search engines, and many AI systems. If the graph does not know a brand, machines have less to anchor an answer on. See which entities carry this segment's topics and brands, and whether its top domains have an entity at all.

How It's Calculated

Where the numbers come from

We scan every Wikidata entity record (labels, descriptions, property values) for this segment's topic phrases and brand hostnames. Entity records are short structured data, so counts run far smaller than article text. Coverage checks which entities claim each domain as an official website.

Overview

What's on this page

Top-entity charts, the full entity table, and a knowledge-graph coverage check for this segment's most LLM-recommended domains.

Segment Totals

Knowledge graph at a glance

How much of the Wikidata knowledge graph touches Scientific Instruments across all personas. Entity records are short structured data (labels, descriptions, property values), so these counts run far smaller than Wikipedia article text; what matters is which entities show up, not raw volume.

403K
Entities With Topic Matches
11K
Entities Mentioning Brands
444K
Topic Phrase Matches
11K
Brand Mentions
Top Domains

Knowledge graph coverage

Whether a Wikidata entity claims each of this segment's most LLM-recommended domains as its official website. A brand without an entity is invisible to systems that navigate the web through the knowledge graph.

22 of 25 top domains for Scientific Instruments have a knowledge-graph entity.

Wikidata

Top knowledge-graph entities

The entity records where Scientific Instruments's brands and topics appear, aggregated across all personas. Brand Mentions is the more reliable single ranking here; broadly used phrases can surface large unrelated entities in the topic view. Blended merges the two on a log scale (brand mentions weighted higher, 0 to 100). Bars and entity names link to the record; entities with no label show their Wikidata ID. The table follows the selected view.


EntityBlendedBrand MentionsTopic Matches
Guava Muse66.466
Exact Online60.0160
LC GC Europe54.944
Exact48.890
Journal of the American Society for Mass Spectrometry48.342
Analis47.333
Information Retrieval41.260
Inflammopharmacology41.260
Q13619331240.0021
BaiduWiki37.950
Agilent Technologies37.522
Cellular and Molecular Life Sciences37.522
LECO Corporation37.522
LabCorp37.522
Journal of Immunological Methods37.522
L C G C North America37.522
MiniFlex37.522
Envision Nexus37.522
Mx3000P37.522
Cytek Northern Lights37.522
Cytek Aurora37.522
Global Bioscience Solutions37.522
General Electric34.140
Nature Structural & Molecular Biology34.140
Emerson Electric34.140
Neuropsychopharmacology34.140
Laboratory Investigation34.140
Rice34.140
Amino Acids34.140
Human Resource Management Review34.140
Mucosal Immunology34.140
Jordan/Zalaznick Advisers Inc.34.140
Bio-Rad Laboratories32.221
Keck Graduate Institute32.221
Ortho-Clinical Diagnostics32.221
Accreditation and Quality Assurance32.221
Insight32.221
Science in China. Series B, Chemistry, life sciences & earth sciences32.221
Life sciences, society and policy32.221
Data Integration in the Life Sciences: 6th International Workshop, DILS 2009, Manchester, UK, July 20-22, 2009. Proceedings32.221
Nature Methods29.430
Nature Reviews Genetics29.430
Brain and Language29.430
Algebra Universalis29.430
Digital Journal29.430
The International Journal of African Historical Studies29.430
JOM29.430
North Dakota Office of State Tax Commissioner29.430
Owens Corning29.430
Virology29.430
Eye29.430
The Pharmacogenomics Journal29.430
The AAPS Journal29.430
Aequationes Mathematicae29.430
Applied Mathematics and Computation29.430
Translational Psychiatry29.430
International Journal of Impotence Research29.430
Advances in Virus Research29.430
Neural Development29.430
Advances in Parasitology29.430
Genetics in Medicine29.430
Clinical and translational gastroenterology29.430
Oncogenesis29.430
Npj Quantum Information29.430
EURO Journal on Computational Optimization29.430
Chronic Diseases and Translational Medicine29.430
World Journal of Otorhinolaryngology-Head and Neck Surgery29.430
Journal of Chromatography B Analytical Technologies in the Biomedical and Life Sciences28.912
Clinica Chimica Acta28.912
Critical Reviews in Clinical Laboratory Sciences28.912
Life Sciences28.912
The Journal of Molecular Diagnostics28.912
Journal of the Association for Laboratory Automation28.912
MLO: medical laboratory observer28.912
Office of Federal Contract Compliance Programs25.206
laboratory equipment23.205
Salting-out assisted liquid/liquid extraction with acetonitrile: a new high throughput sample preparation technique for good laboratory practice bioanalysis using liquid chromatography-mass spectrometry23.205
Commonly Practiced Quality Control and Quality Assurance Procedures for Gas Chromatography-Mass Spectrometry Analysis in Forensic Urine Drug-Testing Laboratories23.205
gas chromatograph23.205
gas chromatography-mass spectrometry20.804
measuring instrument20.804
scientific instrument20.804
electrical measuring instrument20.804
Expediting the method development and quality control of reversed-phase liquid chromatography electrospray ionization mass spectrometry for pharmaceutical analysis by using an LC/MS performance test mix.20.804
Interpretation of high-throughput liquid chromatography mass spectrometry data for quality control analysis and analytical method development20.804
A hybrid liquid chromatography–mass spectrometry strategy in a forensic laboratory for opioid, cocaine and amphetamine classes in human urine using a hybrid linear ion trap-triple quadrupole mass spectrometer20.804
Identification of polymer types and additives in marine microplastic particles using pyrolysis-GC/MS and scanning electron microscopy20.804
Recent Trends in Sample Preparation and Liquid Chromatography/Mass Spectrometry for Pesticide Residue Analysis in Food and Related Matrixes20.804
Screening and analysis of polar pesticides in environmental monitoring programmes by coupled-column liquid chromatography and gas chromatography-mass spectrometry20.804
Effect of solvent and electrospray mass spectrometer parameters on the charge state distribution of peptides--a case study using liquid chromatography/mass spectrometry method development for beta-endorphin assay.20.804
Quality assurance/quality control for the determination of polycyclic aromatic hydrocarbons and phthalate esters in soils using gas chromatography-mass spectrometry20.804
A new reliable sample preparation for high throughput focused steroid profiling by gas chromatography-mass spectrometry20.804
Simultaneous determination of 76 micropollutants in water samples by headspace solid phase microextraction and gas chromatography–mass spectrometry20.804
Automatic on-line monitoring of atmospheric volatile organic compounds: gas chromatography-mass spectrometry and gas chromatography-flame ionization detection as complementary systems20.804
Objective set of criteria for optimization of sample preparation procedures for ultra-high throughput untargeted blood plasma lipid profiling by ultra performance liquid chromatography-mass spectrometry20.804
High throughput analysis of atmospheric volatile organic compounds by thermal injection – isothermal gas chromatography – time-of-flight mass spectrometry20.804
Method development for the determination of residual fluorotelomer raw materials and perflurooctanoate in fluorotelomer-based products by gas chromatography and liquid chromatography mass spectrometry20.804
Method validation and dissipation kinetics of four herbicides in maize and soil using QuEChERS sample preparation and liquid chromatography tandem mass spectrometry20.804
Impurity profiling quality control testing of synthetic peptides using liquid chromatography-photodiode array-fluorescence and liquid chromatography-electrospray ionization-mass spectrometry: the obestatin case20.804
Quality control in quantification of volatile organic compounds analysed by thermal desorption-gas chromatography-mass spectrometry20.804
Non-targeted metabolomics study for the analysis of chemical compositions in three types of tea by using gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry20.804
Analysis of pesticides residues in fresh produce using buffered acetonitrile extraction and aminopropyl cleanup with gas chromatography/triple quadrupole mass spectrometry, liquid chromatography/triple quadrupole mass spectrometry, gas chromatograph20.804
High throughput liquid chromatography/mass spectrometry bioanalysis using 96-well disk solid phase extraction plate for the sample preparation20.804
Application of Stir Bar Sorptive Extraction and Gas Chromatograph Mass Spectrometer to the Phthalic Acid Esters Analysis in Seawater20.804
High throughput sample preparation in combination with gas chromatography coupled to triple quadrupole tandem mass spectrometry (GC–MS/MS): A smart procedure for (ultra)trace analysis of brominated flame retardants in fish20.804
Analytical method validation for terbutryn using gas chromatography/ion trap, gas chromatography/mass selective detector, and liquid chromatography/triple quadrupole mass spectrometers20.804
Analysis of dexamethasone and betamethasone in bovine urine by purification with an "on-line" immunoaffinity chromatography-high-performance liquid chromatography system and determination by gas chromatography-mass spectrometry20.804
Quantitative determination of alpha-, beta-, gamma- and delta-tocopherols in human serum by high-performance liquid chromatography and gas chromatography-mass spectrometry as trimethylsilyl derivatives with a two-step sample preparation20.804
Description and validation of a staggered parallel high performance liquid chromatography system for good laboratory practice level quantitative analysis by liquid chromatography/tandem mass spectrometry20.804
Generic sample preparation and dual polarity liquid chromatography—time‐of‐flight mass spectrometry for high‐throughput screening in doping analysis20.804
Simultaneous determination of 24 personal care products in fish muscle and liver tissues using QuEChERS extraction coupled with ultra pressure liquid chromatography-tandem mass spectrometry and gas chromatography-mass spectrometer analyses20.804
Revisiting quick, easy, cheap, effective, rugged, and safe parameters for sample preparation in pesticide residue analysis of lettuce by liquid chromatography-tandem mass spectrometry20.804
Evaluation of the 25-hydroxy vitamin D assay on a fully automated liquid chromatography mass spectrometry system, the Thermo Scientific Cascadion SM Clinical Analyzer with the Cascadion 25-hydroxy vitamin D assay in a routine clinical laboratory20.804
Implementation of a High-Resolution Liquid Chromatography-Mass Spectrometry Method in Quality Control Laboratories for Release and Stability Testing of a Commercial Antibody Product20.804
Continuous monitoring of volatile organic compounds in water using on-line membrane extraction and microtrap gas chromatography system20.804
analytical chemistry17.903
electron microscope17.903
scanning electron microscope17.903
analytical balance17.903
thermal cycler17.903
transmission electron microscope17.903
service-level agreement17.903
liquid chromatography–mass spectrometry17.903
medical laboratory17.903
plate reader17.903
National Science Foundation Ice Core Facility17.903
Workplace monitoring for volatile organic compounds using thermal desorption-gas chromatography-mass spectrometry17.903
Characterization of laboratory simulated road paving-like asphalt by high-performance liquid chromatography and gas chromatography-mass spectrometry17.903
High-performance liquid chromatography versus solid-phase extraction for post-derivatization cleanup prior to gas chromatography-electron-capture negative-ion mass spectrometry of a product derived from an ethylene oxide DNA adduct17.903
Chemical characterization of laboratory simulated road paving-like asphalt fume generated by gas chromatography-mass spectrometry and high performance liquid chromatography-fluorescence techniques17.903
Data quality assurance and quality control measures in large multicenter stroke trials: the African-American Antiplatelet Stroke Prevention Study experience17.903
Electromembrane extraction17.903
Identification of volatile organic compounds emitted by a naturally aged book using solid-phase microextraction/gas chromatography/mass spectrometry17.903
Toxicological determination and in vitro metabolism of the designer drug methylenedioxypyrovalerone (MDPV) by gas chromatography/mass spectrometry and liquid chromatography/quadrupole time-of-flight mass spectrometry17.903
Specific method for determining uric acid in serum using high-performance liquid chromatography and gas chromatography-mass spectrometry17.903
Analysis of volatile organic compounds in human urine by headspace gas chromatography-mass spectrometry with a multipurpose sampler17.903
Sample preparation and liquid chromatography-tandem mass spectrometry for multiple steroids in mammalian and avian circulation17.903
Characterization of arachidonic acid metabolites through the 12-lipoxygenase pathway in human epidermis by high-performance liquid chromatography and gas chromatography/mass spectrometry17.903
Hyphenation of aqueous liquid chromatography to pyrolysis-gas chromatography and mass spectrometry for the comprehensive characterization of water-soluble polymers17.903
Legionella Hospital Laboratory Testing Practices in Georgia17.903
Quality assurance, quality management or quality control?17.903
Ultrasensitive quantification of serum estrogens in postmenopausal women and older men by liquid chromatography–tandem mass spectrometry17.903
Using the full spectral capacity (six channels) of a real‐time PCR instrument can simplify diagnostic laboratory screening and typing protocols for pandemic H1N1 influenza17.903
Analytical development of electrospray and nanoelectrospray mass spectrometry in combination with liquid chromatography for the characterization of proteins17.903
Determination of platinum in urine, ultrafiltrate, and whole plasma by isotope dilution gas chromatography-mass spectrometry compared to electrothermal atomic absorption spectrometry17.903
Orthogonal analytical screening for liquid chromatography–mass spectrometry method development and preparative scale-up17.903
The clinical diagnostic accuracy of rapid detection of healthcare-associated bloodstream infection in intensive care using multipathogen real-time PCR technology.17.903
Homogeneous sample preparation for automated high throughput analysis with matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry17.903
Analyses of compound libraries obtained by high-throughput parallel synthesis: strategy of quality control by high-performance liquid chromatography, mass spectrometry and nuclear magnetic resonance techniques.17.903
High throughput log D determination using liquid chromatography-mass spectrometry17.903
Development of a multibed sorption trap, comprehensive two-dimensional gas chromatography, and time-of-flight mass spectrometry system for the analysis of volatile organic compounds in human breath17.903
"Proof of concept" pilot study: bioprocess chain of custody and bioresource sample management temperature observations. Sample level temperature trends and stability data obtained via utilization of bluechiip(®) temperature tracking technology17.903
Assessment of the pollutant elimination efficiency by gas chromatography/mass spectrometry, liquid chromatography-mass spectrometry and -tandem mass spectrometry. Comparison of conventional and membrane-assisted biological wastewater treatment proce17.903
Progress in liquid chromatography-mass spectrometry instrumentation and its impact on high-throughput screening17.903
A microcapillary trap cartridge-microcapillary high-performance liquid chromatography electrospray ionization emitter device capable of peptide tandem mass spectrometry at the attomole level on an ion trap mass spectrometer with automated routine op17.903
Nanoflow liquid chromatography coupled to matrix-assisted laser desorption/ionization mass spectrometry: sample preparation, data analysis, and application to the analysis of complex peptide mixtures17.903
Development in the Detection and Identification of Explosive Residues17.903
Analysis of Accelerants in Fire Debris - Data Interpretation17.903
Comprehensive analysis of a multidimensional liquid chromatography mass spectrometry dataset acquired on a quadrupole selecting, quadrupole collision cell, time-of-flight mass spectrometer: I. How much of the data is theoretically interpretable by s17.903
Quality control and assurance in hematopoietic stem cell transplantation data registries in Japan and other countries17.903
Chiral liquid chromatography-mass spectrometry for high-throughput screening of enzymatic racemase activity17.903
Analysis of human serum by liquid chromatography-mass spectrometry: improved sample preparation and data analysis17.903
Negative ion chemical ionization gas chromatography-mass spectrometry and atmospheric pressure chemical ionization liquid chromatography-mass spectrometry of low-dosed and/or polar drugs in plasma.17.903
Application of parallel liquid chromatography/mass spectrometry for high throughput microsomal stability screening of compound libraries17.903
Sampling and analysis of volatile organic compounds in bovine breath by solid-phase microextraction and gas chromatography-mass spectrometry.17.903
Data supporting the rat brain sample preparation and validation assays for simultaneous determination of 8 neurotransmitters and their metabolites using liquid chromatography–tandem mass spectrometry17.903
A batch correction method for liquid chromatography-mass spectrometry data that does not depend on quality control samples17.903
Data quality assessment of ungated flow cytometry data in high throughput experiments17.903
Realities of high-throughput liquid chromatography/mass spectrometry purification of large combinatorial libraries: a report on overall sample throughput using parallel purification17.903
Forensic discrimination of photocopy and printer toners. III. Multivariate statistics applied to scanning electron microscopy and pyrolysis gas chromatography/mass spectrometry.17.903
Determination of two oxy-pyrimidine metabolites of diazinon in urine by gas chromatography/mass selective detection and liquid chromatography/electrospray ionization/mass spectrometry/mass spectrometry.17.903
Quantitative determination of L-775,606, a selective 5-hydroxytryptamine 1D agonist, in rat plasma using automated sample preparation and detection by liquid chromatography-tandem mass spectrometry17.903
Laser mass spectrometry as on-line sensor for industrial process analysis: process control of coffee roasting.17.903
Impact of the new Beckman Coulter Cytomics FC 500 5-color flow cytometer on a regional flow cytometry clinical laboratory service17.903
High throughput quantitative analysis of serum proteins using glycopeptide capture and liquid chromatography mass spectrometry17.903
Comprehensive analysis of a multidimensional liquid chromatography mass spectrometry dataset acquired on a quadrupole selecting, quadrupole collision cell, time-of-flight mass spectrometer: II. New developments in Protein Prospector allow for reliab17.903
Integration of ion-exchange chromatography fractionation with reversed-phase liquid chromatography-atmospheric pressure chemical ionization mass spectrometer and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry for isolat17.903
High-throughput screening for enzyme inhibitors using frontal affinity chromatography with liquid chromatography and mass spectrometry17.903
Elucidation of n-butyl benzyl phthalate biodegradation using high-performance liquid chromatography and gas chromatography-mass spectrometry17.903
Evaluation of an on-target sample preparation system for matrix-assisted laser desorption/ionization time-of-flight mass spectrometry in conjunction with normal-flow peptide high-performance liquid chromatography for peptide mass fingerprint analyse17.903
Development of a comprehensive multidimensional liquid chromatography system with tandem mass spectrometry detection for detailed characterization of recombinant proteins17.903
First results on headspace-solid phase microextraction-gas chromatography/mass spectrometry of volatile organic compounds emitted by wax objects in museums17.903
Analysis of volatile organic compounds released from the decay of surrogate human models simulating victims of collapsed buildings by thermal desorption-comprehensive two-dimensional gas chromatography-time of flight mass spectrometry17.903
Application of liquid chromatography-electrospray ionization time-of-flight mass spectrometry for analysis and quality control of compound Danshen preparations17.903
Creation and application of psychoactive designer drugs data library using liquid chromatography with photodiode array spectrophotometry detector and gas chromatography-mass spectrometry17.903
Analysis of cyclophosphamide and five metabolites from human plasma using liquid chromatography-mass spectrometry and gas chromatography-nitrogen-phosphorus detection17.903
High-throughput sample preparation and analysis using 96-well membrane solid-phase extraction and liquid chromatography-tandem mass spectrometry for the determination of steroids in human urine17.903
Monitoring of priority pesticides and other organic pollutants in river water from portugal by gas chromatography-mass spectrometry and liquid chromatography-atmospheric pressure chemical ionization mass spectrometry17.903
Measurement of 8-hydroxy-2'-deoxyguanosine in DNA by high-performance liquid chromatography-mass spectrometry: comparison with measurement by gas chromatography-mass spectrometry17.903
High-throughput bioanalytical method using automated sample preparation and liquid chromatography-atmospheric pressure ionspray mass spectrometry for quantitative determination of glybenclamide in human serum17.903
Identification of dehydroepiandrosterone metabolites formed from human prostate homogenate using liquid chromatography-mass spectrometry and gas chromatography-mass spectrometry17.903
Comparison of gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry for the determination of fatty and resin acids in paper mill process waters17.903
Sample preparation for determination of macrocyclic lactone mycotoxins in fish tissue, based on on-line matrix solid-phase dispersion and solid-phase extraction cleanup followed by liquid chromatography/tandem mass spectrometry17.903
The limit of detection in generalized least-squares calibrations: an example using alprazolam liquid chromatography-tandem mass spectrometry data17.903
Glibenclamide in serum: comparison of high-performance liquid chromatography using fluorescence detector and liquid chromatography/mass spectrometry with atmospheric-pressure chemical-ionization (APCI LC/MS).17.903
Structural elucidation of hydroxylated metabolites of the isoflavan equol by gas chromatography-mass spectrometry and high-performance liquid chromatography-mass spectrometry17.903
High-performance liquid chromatography-mass spectrometry in the clinical laboratory17.903
Determination of volatile organic compounds in exhaled breath of patients with lung cancer using solid phase microextraction and gas chromatography mass spectrometry17.903
High-performance liquid chromatography-atmospheric pressure chemical ionization mass spectrometry and gas chromatography-flame ionization detection characterization of Delta5-polyenoic fatty acids in triacylglycerols from conifer seed oils17.903
Microchip for combining gas chromatography or capillary liquid chromatography with atmospheric pressure photoionization-mass spectrometry17.903
Liquid chromatography combined with mass spectrometry for 13C isotopic analysis in life science research17.903
Method development for the determination of selected pesticides on tobacco by high-performance liquid chromatography-electrospray ionisation-tandem mass spectrometry17.903
Determination of ink photoinitiators in packaged beverages by gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry17.903
Study on the photostability of guaiazulene by high-performance liquid chromatography/mass spectrometry and gas chromatography/mass spectrometry17.903
Pitfalls associated with the use of liquid chromatography-tandem mass spectrometry in the clinical laboratory17.903
High-throughput sample preparation for the quantitation of acephate, methamidophos, omethoate, dimethoate, ethylenethiourea, and propylenethiourea in human urine using 96-well-plate automated extraction and high-performance liquid chromatography-tan17.903
Characterization of fatty acid and triacylglycerol composition in animal fats using silver-ion and non-aqueous reversed-phase high-performance liquid chromatography/mass spectrometry and gas chromatography/flame ionization detection17.903
Aliphatic and aromatic amines in atmospheric aerosol particles: comparison of three ionization techniques in liquid chromatography-mass spectrometry and method development17.903
Classification of natural resins by liquid chromatography-mass spectrometry and gas chromatography-mass spectrometry using chemometric analysis17.903
Large-scaled human serum sphingolipid profiling by using reversed-phase liquid chromatography coupled with dynamic multiple reaction monitoring of mass spectrometry: method development and application in hepatocellular carcinoma17.903
On-line monitoring of continuous flow chemical synthesis using a portable, small footprint mass spectrometer.17.903
Determination of the triacylglycerol fraction in fish oil by comprehensive liquid chromatography techniques with the support of gas chromatography and mass spectrometry data17.903
Recent developments in atmospheric pressure photoionization‐mass spectrometry17.903
Quantitative analysis of estradiol and six other steroid hormones in human saliva using a high throughput liquid chromatography-tandem mass spectrometry assay17.903
Non-polar lipids characterization of Quinoa (Chenopodium quinoa) seed by comprehensive two-dimensional gas chromatography with flame ionization/mass spectrometry detection and non-aqueous reversed-phase liquid chromatography with atmospheric pressur17.903
Method development for the determination of 24S-hydroxycholesterol in human plasma without derivatization by high-performance liquid chromatography with tandem mass spectrometry in atmospheric pressure chemical ionization mode17.903
Comparing two metabolic profiling approaches (liquid chromatography and gas chromatography coupled to mass spectrometry) for extra-virgin olive oil phenolic compounds analysis: A botanical classification perspective.17.903
Comprehensive chemical profiling of Pinellia species tuber and processed Pinellia tuber by gas chromatography-mass spectrometry and liquid chromatography-atmospheric pressure chemical ionization-tandem mass spectrometry17.903
Determination of the acylcoenzyme A cholesterol acyltransferase inhibitor 447C88 in plasma using gas chromatography-mass spectrometry and liquid chromatography atmospheric pressure chemical ionisation tandem mass spectrometry17.903
Gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-mass spectrometry (LC-MS) in toxicological analysis. Studies on the detection of clobenzorex and its metabolites within a systematic toxicological analysis procedure by GC-MS and17.903
Liquid chromatography–mass spectrometry and gas chromatography–mass spectrometry of ω- and (ω-1)-hydroxylated metabolites of elaidic and oleic acids in human and rat liver microsomes17.903
Automated sample preparation for the determination of budesonide in plasma samples by liquid chromatography and tandem mass spectrometry17.903
Simultaneous determination of beta2-agonists in human urine by fast-gas chromatography/mass spectrometry: method validation and clinical application17.903
Deep proteogenomics; high throughput gene validation by multidimensional liquid chromatography and mass spectrometry of proteins from the fungal wheat pathogen Stagonospora nodorum17.903
Impurity profiling of a chemical weapon precursor for possible forensic signatures by comprehensive two-dimensional gas chromatography/mass spectrometry and chemometrics17.903
The National Market for Medicare Clinical Laboratory Testing: Implications for Payment Reform17.903
Identification of a strawberry flavor gene candidate using an integrated genetic-genomic-analytical chemistry approach17.903
Characterization of bacterial lipid profiles by using rapid sample preparation and fast comprehensive two-dimensional gas chromatography in combination with mass spectrometry17.903
Repeatability and reproducibility in proteomic identifications by liquid chromatography-tandem mass spectrometry17.903
Identification of metabolites from liquid chromatography–coulometric array detection profiling: Gas chromatography–mass spectrometry and refractionation provide essential information orthogonal to LC–MS/microNMR17.903
Generic sample preparation combined with high-resolution liquid chromatography-time-of-flight mass spectrometry for unification of urine screening in doping-control laboratories.17.903
Evaluation of automated sample preparation, retention time locked gas chromatography-mass spectrometry and data analysis methods for the metabolomic study of Arabidopsis species17.903
Analysis of volatile organic compounds, using the purge and trap injector coupled to a gas chromatograph/ion-trap mass spectrometer: review of the results in Dutch surface water of the Rhine, Meuse, Northern Delta Area and Westerscheldt, over the pe17.903
Metabolomics Study on Quality Control and Discrimination of Three Curcuma Species based on Gas Chromatograph–Mass Spectrometry17.903
ACMG clinical laboratory standards for next-generation sequencing17.903
Ability of laboratories to detect emerging antimicrobial resistance: proficiency testing and quality control results from the World Health Organization's external quality assurance system for antimicrobial susceptibility testing17.903
Data Integrity Module for Data Quality Assurance Within an e-Health System in Sub-Saharan Africa17.903
An evaluation of the diagnostic accuracy of liquid chromatography-tandem mass spectrometry versus immunoassay drug testing in pain patients17.903
Gas chromatography/mass spectrometry (GC/MS) remains a pre-eminent discovery tool in clinical steroid investigations even in the era of fast liquid chromatography tandem mass spectrometry (LC/MS/MS).17.903
The detection of nicotine in a Late Mayan period flask by gas chromatography and liquid chromatography mass spectrometry methods17.903
Comprehensive chemical profiling of Guizhi Fuling capsule by the combined use of gas chromatography–mass spectrometry with a deconvolution software and rapid‐resolution liquid chromatography quadrupole time‐of‐flight tandem mass spectrometry17.903
A liquid chromatography-mass spectrometry method for the simultaneous measurement of 15 urinary estrogens and estrogen metabolites: assay reproducibility and interindividual variability17.903
An improved gas chromatography screening method for doping substances using triple quadrupole mass spectrometry, with an emphasis on quality assurance17.903
Studies on the identification of sulfadimidine in pork by high performance liquid chromatography with photodiode array detector and gas chromatograph-mass spectrometry17.903
Method development and validation for the quantification of dasatinib, erlotinib, gefitinib, imatinib, lapatinib, nilotinib, sorafenib and sunitinib in human plasma by liquid chromatography coupled with tandem mass spectrometry17.903
Use of solid-phase microextraction coupled to gas chromatography-mass spectrometry for determination of urinary volatile organic compounds in autistic children compared with healthy controls.17.903
Affinity chromatography as a method for sample preparation in gas chromatography/mass spectrometry17.903
Two-dimensional liquid chromatography system for online top-down mass spectrometry17.903
The determination of total and unbound midazolam in human plasma. A comparison of high performance liquid chromatography, gas chromatography and gas chromatography/mass spectrometry17.903
Characterization of the designer drug deschloroketamine (2-methylamino-2-phenylcyclohexanone) by gas chromatography/mass spectrometry, liquid chromatography/high-resolution mass spectrometry, multistage mass spectrometry, and nuclear magnetic resona17.903
Isomer differentiation by combining gas chromatography, selective self‐ion/molecule reactions and tandem mass spectrometry in an ion trap mass spectrometer17.903
Characterization of volatile organic compounds and odorants associated with swine barn particulate matter using solid-phase microextraction and gas chromatography-mass spectrometry-olfactometry17.903
Clinical laboratory assays for HER-2/neu amplification and overexpression: quality assurance, standardization, and proficiency testing17.903
Assay Reproducibility and Interindividual Variation for 15 Serum Estrogens and Estrogen Metabolites Measured by Liquid Chromatography–Tandem Mass Spectrometry17.903
Liquid chromatography-tandem mass spectrometry--application in the clinical laboratory17.903
Determination of 51 carbamate pesticide residues in vegetables by liquid chromatography-tandem mass spectrometry based on optimization of QuEChERS sample preparation method17.903
Tissue-specific metabolite profiling of Cyperus rotundus L. rhizomes and (+)-nootkatone quantitation by laser microdissection, ultra-high-performance liquid chromatography-quadrupole time-of-flight mass spectrometry, and gas chromatography-mass spec17.903
Ultrahigh-Performance Liquid Chromatography Electrospray Ionization Q-Orbitrap Mass Spectrometry for the Analysis of 451 Pesticide Residues in Fruits and Vegetables: Method Development and Validation17.903
Determination of breath gas composition of lung cancer patients using gas chromatography/mass spectrometry with monolithic material sorptive extraction17.903
Non-targeted metabolomic profile of Fagus sylvatica L. leaves using liquid chromatography with mass spectrometry and gas chromatography with mass spectrometry.17.903
Discovery and validation of serum protein changes in type 1 diabetes patients using high throughput two dimensional liquid chromatography-mass spectrometry and immunoassays17.903
Method Development and Validation of Liquid Chromatography-Tandem Mass Spectrometry for Angiotensin-II in Human Plasma: Application to Study Interaction Between Atorvastatin & Olmesartan Drug Combination17.903
National survey on intra-laboratory turnaround time for some most common routine and stat laboratory analyses in 479 laboratories in China17.903
Liquid chromatography-tandem mass spectrometry (LC-MS/MS) for analysis of endogenous steroids in the luteal phase and early pregnancy in dogs: a pilot study17.903
Sensitive, Simple, and Robust Nano-Liquid Chromatography-Mass Spectrometry Method for Amyloid Protein Subtyping17.903
Development of a sample preparation method for monitoring correct disulfide linkages of monoclonal antibodies by liquid chromatography–mass spectrometry17.903
Pharmacogenomics and pharmacogenetics: future role of molecular diagnostics in the clinical diagnostic laboratory17.903
Analysis and quantitation of volatile organic compounds emitted from plastics used in museum construction by evolved gas analysis–gas chromatography–mass spectrometry17.903
Qualitative and quantitative analysis of the chemical constituents in Mahuang-Fuzi-Xixin decoction based on high performance liquid chromatography combined with time-of-flight mass spectrometry and triple quadrupole mass spectrometers17.903
Method development and application of offline two-dimensional liquid chromatography/quadrupole time-of-flight mass spectrometry-fast data directed analysis for comprehensive characterization of the saponins from Xueshuantong Injection17.903
Chemical characterization of α-pinene secondary organic aerosol constituents using gas chromatography, liquid chromatography, and paper spray-based mass spectrometry techniques17.903
Liquid chromatography-quadrupole-time-of-flight mass spectrometry screening procedure for urine samples in forensic casework compared to gas chromatography-mass spectrometry17.903
Quality requirements for veterinary hematology analyzers in small animals-a survey about veterinary experts' requirements and objective evaluation of analyzer performance based on a meta-analysis of method validation studies: bench top hematology an17.903
Simultaneous qualitative and quantitative analysis of 21 mycotoxins in Radix Paeoniae Alba by ultra-high performance liquid chromatography quadrupole linear ion trap mass spectrometry and QuEChERS for sample preparation17.903
Evaluation of gas chromatography - electron ionization - full scan high resolution Orbitrap mass spectrometry for pesticide residue analysis17.903
Steroid Profiling by Gas Chromatography–Mass Spectrometry and High Performance Liquid Chromatography–Mass Spectrometry for Adrenal Diseases17.903
Assay reproducibility of serum androgen measurements using liquid chromatography-tandem mass spectrometry.17.903
High Throughput and Quantitative Measurement of Microbial Metabolome by Gas Chromatography/Mass Spectrometry Using Automated Alkyl Chloroformate Derivatization17.903
Profiling of volatile organic compounds produced by clinical Aspergillus isolates using gas chromatography-mass spectrometry17.903
Unsupervised classification of petroleum Certified Reference Materials and other fuels by chemometric analysis of gas chromatography-mass spectrometry data.17.903
Optimization of Sample Preparation for the Identification and Quantification of Saxitoxin in Proficiency Test Mussel Sample using Liquid Chromatography-Tandem Mass Spectrometry17.903
A high throughput targeted and non-targeted method for the analysis of microcystins and anatoxin-A using on-line solid phase extraction coupled to liquid chromatography-quadrupole time-of-flight high resolution mass spectrometry17.903
Application of a gas chromatograph-mass spectrometer-data processor combination to the analysis of the polycyclic aromatic hydrocarbon content of airborne pollutants17.903
Qualitative and Quantitative Analysis of Volatile Components of Zhengtian Pills Using Gas Chromatography Mass Spectrometry and Ultra-High Performance Liquid Chromatography17.903
Determination of felodipine enantiomers using chiral stationary phase liquid chromatography and gas chromatography/mass spectrometry, and the study of their pharmacokinetic profiles in human and dog.17.903
Quality control techniques for routine analysis with liquid chromatography in laboratories17.903
Analysis of serum metabolic profile by ultra-performance liquid chromatography-mass spectrometry for biomarkers discovery: application in a pilot study to discriminate patients with tuberculosis17.903
Comparative oxidation state specific analysis of arsenic species by high-performance liquid chromatography-inductively coupled plasma-mass spectrometry and hydride generation-cryotrapping-atomic absorption spectrometry17.903
Screening and identification of drugs in human hair by high-performance liquid chromatography-photodiode-array UV detection and gas chromatography-mass spectrometry after solid-phase extraction. A powerful tool in forensic medicine17.903
Decision criteria for the selection of analytical instruments used in clinical chemistry: IV External and internal evaluation of analytical instruments in clinical laboratory sciences17.903
Method development and validation for ultra-high pressure liquid chromatography/tandem mass spectrometry determination of multiple prostanoids in biological samples17.903
Diagnostic accuracy and appropriateness of care for seborrheic keratoses. A pilot study of an approach to quality assurance for cutaneous surgery17.903
Performance metrics for evaluating system suitability in liquid chromatography--Mass spectrometry peptide mass mapping of protein therapeutics and monoclonal antibodies.17.903
High Throughput Liquid and Gas Chromatography–Tandem Mass Spectrometry Assays for Tobacco-Specific Nitrosamine and Polycyclic Aromatic Hydrocarbon Metabolites Associated with Lung Cancer in Smokers17.903
Distribution of volatile organic compounds in Sicilian groundwaters analysed by head space-solid phase micro extraction coupled with gas chromatography mass spectrometry (SPME/GC/MS).17.903
The Tanzania experience: clinical laboratory testing harmonization and equipment standardization at different levels of a tiered health laboratory system17.903
Quantitation of the Minor Tobacco Alkaloids Nornicotine, Anatabine, and Anabasine in Smokers' Urine by High Throughput Liquid Chromatography-Mass Spectrometry17.903
High throughput liquid chromatography-tandem mass spectrometry assay for mercapturic acids of acrolein and crotonaldehyde in cigarette smokers' urine.17.903
A simple and accurate HPLC method for fecal bile acid profile in healthy and cirrhotic subjects: validation by GC-MS and LC-MS17.903
Applications of liquid chromatography coupled to mass spectrometry-based metabolomics in clinical chemistry and toxicology: A review17.903
A review of clinical diagnostic applications of liquid chromatography–tandem mass spectrometry17.903
The role of liquid chromatography–tandem mass spectrometry in the clinical laboratory17.903
Current trends and challenges in sample preparation for global metabolomics using liquid chromatography-mass spectrometry.17.903
Quality assurance and quality control in the routine molecular diagnostic laboratory for infectious diseases17.903
Implementation of liquid chromatography/mass spectrometry into the clinical laboratory17.903
Liquid chromatography-high-resolution mass spectrometry for pesticide residue analysis in fruit and vegetables: screening and quantitative studies.17.903
Utilization management in toxicology17.903
Liquid chromatography tandem mass spectrometry in the clinical laboratory.17.903
Tools for monitoring system suitability in LC MS/MS centric proteomic experiments17.903
Sample preparation strategies for targeted proteomics via proteotypic peptides in human blood using liquid chromatography tandem mass spectrometry17.903
Persistent Organic Pollutant Determination in Killer Whale Scat Samples: Optimization of a Gas Chromatography/Mass Spectrometry Method and Application to Field Samples17.903
Measurement of oxidatively induced DNA damage and its repair, by mass spectrometric techniques17.903
Quality control of sweet medicines based on gas chromatography-mass spectrometry17.903
Gas chromatography-mass spectrometry and high-performance liquid chromatography-diode array detection for dating of paper ink.17.903
A label-free detector for liquid chromatography systems using mm-wave technology: First proof of concept.17.903
Recent advancements and future trends in environmental analysis: Sample preparation, liquid chromatography and mass spectrometry.17.903
Plasma Lipidome Analysis by Liquid Chromatography-High Resolution Mass Spectrometry and Ion Mobility of Hypertriglyceridemic Patients on Extended-Release Nicotinic Acid: a Pilot Study17.903
Freeze-drying: an alternative method for the analysis of volatile organic compounds in the headspace of urine samples using solid phase micro-extraction coupled to gas chromatography - mass spectrometry17.903
Sample preparation for detection of low abundance proteins in human plasma using ultra-high performance liquid chromatography coupled with highly accurate mass spectrometry17.903
Identification of chemical components in Baidianling Capsule based on gas chromatography-mass spectrometry and high-performance liquid chromatography combined with Fourier transform ion cyclotron resonance mass spectrometry.17.903
Liquid chromatography–mass spectroscopy as a tool in the rapid diagnosis of biliary atresia: a pilot study17.903
Layer-by-layer functionalized porous Zinc sulfide nanospheres-based solid-phase extraction combined with liquid chromatography time-of-flight/mass and gas chromatography-mass spectrometry for the specific enrichment and identification of alkaloids f17.903
Quality management in clinical application of mass spectrometry measurement systems.17.903
Accuracy-based proficiency testing for testosterone measurements with immunoassays and liquid chromatography-mass spectrometry17.903
Comparison of veterinary drug residue results in animal tissues by ultrahigh-performance liquid chromatography coupled to triple quadrupole or quadrupole-time-of-flight tandem mass spectrometry after different sample preparation methods, including u17.903
Comparison of sample preparation strategies for target analysis of total thyroid hormones levels in serum by liquid chromatography-quadrupole time-of-flight-mass spectrometry.17.903
Metabolic profiling of human plasma and urine in chronic kidney disease by hydrophilic interaction liquid chromatography coupled with time-of-flight mass spectrometry: a pilot study17.903
Fast and simple screening for the simultaneous analysis of seven metabolites derived from five volatile organic compounds in human urine using on-line solid-phase extraction coupled with liquid chromatography-tandem mass spectrometry17.903
On-line turbulent-flow chromatography-high-performance liquid chromatography-mass spectrometry for fast sample preparation and quantitation17.903
Multicenter evaluation of the thermo scientific prelude for measurement of immunosuppressant drugs using sample preparation liquid chromatography-tandem mass spectrometry17.903
Online turbulent flow extraction coupled with liquid chromatography-tandem mass spectrometry for high throughput screening of anabolic steroids in horse urine.17.903
Qualitative and quantitative analysis of multiple components for quality control of Deng-Zhan-Sheng-Mai capsules by ultra high performance liquid chromatography tandem mass spectrometry method coupled with chemometrics17.903
Method Validation for Analysis of Simvastatin in Human Plasma Using Liquid Chromatography Tandem Mass Spectrometry (LC-MS-MS)17.903
Comparison of liquid chromatography-isotope ratio mass spectrometry (LC/IRMS) and gas chromatography-combustion-isotope ratio mass spectrometry (GC/C/IRMS) for the determination of collagen amino acid δ13C values for palaeodietary and palaeoecologic17.903
Trimethylsilyl speciations of cathine, cathinone and norephedrine followed by gas chromatography mass spectrometry: Direct sample preparation and analysis of khatamines17.903
Analysis of banned veterinary drugs and herbicide residues in shellfish by liquid chromatography-tandem mass spectrometry (LC/MS/MS) and gas chromatography-tandem mass spectrometry (GC/MS/MS).17.903
On-line monitoring of benzene air concentrations while driving in traffic by means of isotopic dilution gas chromatography/mass spectrometry17.903
Metabolomics of developing zebrafish embryos using gas chromatography- and liquid chromatography-mass spectrometry.17.903
Practice in introducing the scientific organization of work into the operation of a clinical diagnostic laboratory17.903
Identification of organic compounds in atmospheric aerosol particles by on-line supercritical fluid extraction-liquid chromatography-gas chromatography-mass spectrometry17.903
Characterisation of organic compounds in aerosol particles from a Finnish forest by on-line coupled supercritical fluid extraction-liquid chromatography-gas chromatography-mass spectrometry17.903
Development and validation of a method for air-quality and nuisance odors monitoring of volatile organic compounds using multi-sorbent adsorption and gas chromatography/mass spectrometry thermal desorption system17.903
Comparative study of an estradiol enzyme-linked immunosorbent assay kit, liquid chromatography-tandem mass spectrometry, and ultra performance liquid chromatography-quadrupole time of flight mass spectrometry for part-per-trillion analysis of estrog17.903
Determination of volatile organic compounds in urban and industrial air from Tarragona by thermal desorption and gas chromatography-mass spectrometry17.903
Volatile organic compounds in air at urban and industrial areas in the Tarragona region by thermal desorption and gas chromatography-mass spectrometry17.903
Liquid Chromatography-High Resolution Mass Spectrometry for Peptide Drug Quality Control17.903
Profiling of urinary amino-carboxylic metabolites by in-situ heptafluorobutyl chloroformate mediated sample preparation and gas chromatography-mass spectrometry.17.903
On-line analysis of volatile chlorinated hydrocarbons in air by gas chromatography-mass spectrometry Improvements in preconcentration and injection steps17.903
Recent applications of mass spectrometry and combined gas chromatography-mass spectrometry to pesticide residue analysis.17.903
Fast sample preparation and liquid chromatography-tandem mass spectrometry method for assaying cell lysate acetylcholine17.903
Antibiofilm activity of cashew juice pulp against Staphylococcus aureus, high performance liquid chromatography/diode array detection and gas chromatography-mass spectrometry analyses, and interference on antimicrobial drugs.17.903
Volumetric adsorptive microsampling-liquid chromatography tandem mass spectrometry assay for the simultaneous quantification of four antibiotics in human blood: Method development, validation and comparison with dried blood spot17.903
Study on the quality control of cell therapy products. Determination of N-glycolylneuraminic acid incorporated into human cells by nano-flow liquid chromatography/Fourier transformation ion cyclotron mass spectrometry17.903
Performance Assessment and Comparability of a Commercial Enzyme-Linked Immunosorbent Assay Kit with Liquid Chromatography–Tandem Mass Spectrometry for Chloramphenicol Residues in Crab and Shrimp17.903
Sample preparation methodology for mouse heart metabolomics using comprehensive two-dimensional gas chromatography coupled with time-of-flight mass spectrometry17.903
Coupling of comprehensive two-dimensional gas chromatography with quadrupole mass spectrometry: Application to the identification of atmospheric volatile organic compounds17.903
Identification of vitamin D3 and 7-dehydrocholesterol in cow's milk by gas chromatography-mass spectrometry and their quantitation by high-performance liquid chromatography17.903
Evaluation of the on-site immunoassay drug-screening device Triage-TOX in routine forensic autopsy17.903
Identification of degradation products of saquinavir mesylate by ultra-high-performance liquid chromatography/electrospray ionization quadrupole time-of-flight tandem mass spectrometry and its application to quality control17.903
Monitoring of cefepime in human serum and plasma by micellar electrokinetic capillary chromatography: Improvement of sample preparation and validation by liquid chromatography coupled to mass spectrometry17.903
High throughput online solid phase extraction-ultra high performance liquid chromatography-tandem mass spectrometry method for polyfluoroalkyl phosphate esters, perfluoroalkyl phosphonates, and other perfluoroalkyl substances in human serum, plasma,17.903
Determination of particulate phase polycyclic aromatic hydrocarbons and their nitrated and oxygenated derivatives using gas chromatography-mass spectrometry and liquid chromatography-tandem mass spectrometry17.903
Liquid Chromatography-Mass Spectrometry Metabolic and Lipidomic Sample Preparation Workflow for Suspension-Cultured Mammalian Cells using Jurkat T lymphocyte Cells17.903
The specificity of multi-column liquid chromatography of neutral urinary steroids as evaluated by comparison with parallel gas chromatography and mass spectrometry17.903
Development of a quantitative mass spectrometry multi-attribute method for characterization, quality control testing and disposition of biologics17.903
Comparative study of sample preparation methods; supported liquid membrane and solid phase extraction in the determination of benzimidazole anthelmintics in biological matrices by liquid chromatography-electrospray-mass spectrometry.17.903
Identification of signature volatiles to discriminate Candida albicans, glabrata, krusei and tropicalis using gas chromatography and mass spectrometry17.903
On-line capillary liquid chromatography tandem mass spectrometry on an ion trap/reflectron time-of-flight mass spectrometer using the sequence tag database search approach for peptide sequencing and protein identification17.903
Universal Route to Polycyclic Aromatic Hydrocarbon Analysis in Foodstuff: Two-Dimensional Heart-Cut Liquid Chromatography-Gas Chromatography-Mass Spectrometry17.903
Quality control of processed Crataegi Fructus and its medicinal parts by ultra high performance liquid chromatography with electrospray ionization tandem mass spectrometry17.903
Requirements for mycological diagnostics in accordance with the guideline of the German Medical Association for quality assurance of medical laboratory tests17.903
Liquid chromatography Orbitrap mass spectrometry with simultaneous full scan and tandem MS/MS for highly selective pesticide residue analysis.17.903
Determining volatile organic compounds in human blood from a large sample population by using purge and trap gas chromatography/mass spectrometry17.903
Quality assurance in the mycobacteriology laboratory. Quality control, quality improvement, and proficiency testing17.903
Single-Laboratory Ruggedness Testing and Validation of a Modified QuEChERS Approach To Quantify 185 Pesticide Residues in Salmon by Liquid Chromatography– and Gas Chromatography–Tandem Mass Spectrometry17.903
Assesment of endocrinal and biochemical entities through liquid chromatography-tandem mass spectrometry/mass spectrometer: Inter-relative investigation of the interaction based cardiovascular formulation17.903
Development of a sensitive and selective liquid chromatography-mass spectrometry method for high throughput analysis of paralytic shellfish toxins using graphitised carbon solid phase extraction17.903
Application of Process Analytical Technology for Monitoring Freeze-Drying of an Amorphous Protein Formulation: Use of Complementary Tools for Real-Time Product Temperature Measurements and Endpoint Detection17.903
Quality by Design-Applied Liquid Chromatography-Tandem Mass Spectrometry Determination of Enzalutamide Anti-Prostate Cancer Therapy Drug in Spiked Plasma Samples17.903
Comparison of conventional liquid chromatography-tandem mass spectrometry versus microflow liquid chromatography-tandem mass spectrometry within the framework of full method validation for simultaneous quantification of 40 antidepressants and neurol17.903
Simultaneous detection of multi-allergens in an incurred food matrix using ELISA, multiplex flow cytometry and liquid chromatography mass spectrometry (LC-MS).17.903
Rapid Determination of Dichlofluanid Residues in Vegetables Using Dispersive-SPE Sample Preparation Combined with Gas Chromatography-Mass Spectrometry17.903
Liquid chromatography-tandem quadrupole mass spectrometry and comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry measurement of targeted metabolites of Methylobacterium extorquens AM1 grown on two different carbon sour17.903
Validation of the Sysmex sp-1000i automated slide preparer-stainer in a clinical laboratory17.903
Immunomagnetic microbeads for screening with flow cytometry and identification with nano-liquid chromatography mass spectrometry of ochratoxins in wheat and cereal17.903
Method development and validation for rapid quantification of hydroxychloroquine in human blood using liquid chromatography–tandem mass spectrometry17.903
Laboratory Turnaround Times in Response to an Abrupt Increase in Specimen Testing After a Natural Disaster17.903
Characterization of volatile organic compounds from human analogue decomposition using thermal desorption coupled to comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry17.903
Identification of new metabolites of bacterial transformation of indole by gas chromatography-mass spectrometry and high performance liquid chromatography17.903
Disopyramide determination by gas chromatography, liquid chromatography, and gas chromatography--mass spectrometry17.903
Hyphenated and comprehensive liquid chromatography × gas chromatography-mass spectrometry for the identification of Mycobacterium tuberculosis.17.903
Bioanalytical method development and validation of memantine in human plasma by high performance liquid chromatography with tandem mass spectrometry: application to bioequivalence study.17.903
Measurement of choline and choline metabolite concentrations using high-pressure liquid chromatography and gas chromatography-mass spectrometry17.903
A novel mutation of the SLC25A13 gene in a Chinese patient with citrin deficiency detected by target next-generation sequencing17.903
Sigma-Metrics of Electrolyte Tests From a Recently Launched New-Generation Proficiency Testing Program of the Korean Association of Quality Assurance for Clinical Laboratory17.903
A comparison of the validity of gas chromatography-mass spectrometry and liquid chromatography-tandem mass spectrometry analysis of urine samples II: amphetamine, methamphetamine, (±)-3,4-methylenedioxyamphetamine, (±)-3,4-methylenedioxymethamphetam17.903
Analysis of major components in water based stamp pad inks and their imprints by ultra high performance liquid chromatography-mass spectrometry and gas chromatography-mass spectrometry17.903
Preliminary study of volatile organic compounds from breath and stomach tissue by means of solid phase microextraction and gas chromatography-mass spectrometry.17.903
Process Monitoring with Disposable Chemical Sensors Fit in the Framework of Process Analysis Technology (PAT) for Innovative Pharmaceutical Development and Quality Assurance17.903
Method development and validation of liquid chromatography-tandem/mass spectrometry for aldosterone in human plasma: Application to drug interaction study of atorvastatin and olmesartan combination17.903
Impurity profiling of acetylspiramycin by liquid chromatography–ion trap mass spectrometry17.903
Evaluation of tea tree oil quality and ascaridole: a deep study by means of chiral and multi heart-cuts multidimensional gas chromatography system coupled to mass spectrometry detection17.903
Complementary fragmentation pattern analysis by gas chromatography-mass spectrometry and liquid chromatography tandem mass spectrometry confirmed the precious lignan content of Cirsium weeds.17.903
Large-scale pesticide testing in olives by liquid chromatography-electrospray tandem mass spectrometry using two sample preparation methods based on matrix solid-phase dispersion and QuEChERS.17.903
Urinary metabonomics study in a rat model in response to protein-energy malnutrition by using gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry17.903
Delta13C stable isotope analysis of atmospheric oxygenated volatile organic compounds by gas chromatography-isotope ratio mass spectrometry.17.903
Use of stable isotope labeled probes to facilitate liquid chromatography/mass spectrometry based high-throughput screening of time-dependent CYP inhibitors17.903
System selectivity cube: a 3D visualization tool for comparing the selectivity of gas chromatography, supercritical-fluid chromatography, high-pressure liquid chromatography, and micellar electrokinetic capillary chromatography systems17.903
Validation and use of a fast sample preparation method and liquid chromatography-tandem mass spectrometry in analysis of ultra-trace levels of 98 organophosphorus pesticide and carbamate residues in a total diet study involving diversified food type17.903
High-throughput and sensitive analysis of urinary heterocyclic aromatic amines using isotope-dilution liquid chromatography-tandem mass spectrometry and robotic sample preparation system17.903
Determination of nandrolone metabolites in human urine: comparison between liquid chromatography/tandem mass spectrometry and gas chromatography/mass spectrometry17.903
Quantification of dialkylphosphate metabolites of organophosphorus insecticides in human urine using 96-well plate sample preparation and high-performance liquid chromatography-electrospray ionization-tandem mass spectrometry17.903
Evaluation of two sample treatment methodologies for large-scale pesticide residue analysis in olive oil by fast liquid chromatography-electrospray mass spectrometry.17.903
Plasma estrone sulfate assay in men: Comparison of radioimmunoassay, mass spectrometry coupled to gas chromatography (GC-MS), and liquid chromatography-tandem mass spectrometry (LC-MS/MS).17.903
Headspace in-tube extraction gas chromatography-mass spectrometry for the analysis of hydroxylic methyl-derivatized and volatile organic compounds in blood and urine17.903
Qualitative screening for volatile organic compounds in human blood using solid‐phase microextraction and gas chromatography‐mass spectrometry17.903
Application of sigma metrics for the assessment of quality control in clinical chemistry laboratory in Ghana: A pilot study17.903
Optimization of electrospray interface and quadrupole ion trap mass spectrometer parameters in pesticide liquid chromatography/electrospray ionization mass spectrometry analysis17.903
Assay of labile estrogen o-quinones, potent carcinogenic molecular species, by high performance liquid chromatography–electrospray ionization tandem mass spectrometry with phenazine derivatization17.903
Liquid chromatography and tandem mass spectrometry for the quantitative determination of ixabepilone (BMS-247550, Ixempra) in human plasma: method validation, overcoming curve splitting issues and eliminating chromatographic interferences from degra17.903
Methylmercury and inorganic mercury determination in blood by using liquid chromatography with inductively coupled plasma mass spectrometry and a fast sample preparation procedure17.903
Emission pattern of semi-volatile organic compounds from recycled styrenic polymers using headspace solid-phase microextraction gas chromatography-mass spectrometry17.903
Simultaneous analysis of fourteen tertiary amine stimulants in human urine for doping control purposes by liquid chromatography-tandem mass spectrometry and gas chromatography-mass spectrometry17.903
Method development for the determination of 52 pesticides in tobacco by liquid chromatography-tandem mass spectrometry17.903
A comparison of the validity of gas chromatography- mass spectrometry and liquid chromatography- tandem mass spectrometry analysis of urine samples for morphine, codeine, 6-acetylmorphine, and benzoylecgonine17.903
Strategy of accelerated method development for high-throughput bioanalytical assays using ultra high-performance liquid chromatography coupled with mass spectrometry17.903
Comparative determination of some phytohormones in wild-type and genetically modified plants by gas chromatography-mass spectrometry and high-performance liquid chromatography-tandem mass spectrometry.17.903
Validation of a confirmatory method for the determination of melamine in egg by gas chromatography-mass spectrometry and ultra-performance liquid chromatography-tandem mass spectrometry17.903
Multiresidue method for the determination of 77 pesticides in wine using QuEChERS sample preparation and gas chromatography with mass spectrometry17.903
Determination of 4-hydroxy-3-methoxymethamphetamine as a metabolite of methamphetamine in rats and human liver microsomes using gas chromatography-mass spectrometry and liquid chromatography-tandem mass spectrometry17.903
Determination of benzimidazoles and levamisole residues in milk by liquid chromatography-mass spectrometry: screening method development and validation.17.903
Screening processed milk for volatile organic compounds using vacuum distillation/gas chromatography/mass spectrometry.17.903
Simultaneous and high-throughput analysis of iodo-trihalomethanes, haloacetonitriles, and halonitromethanes in drinking water using solid-phase microextraction/gas chromatography-mass spectrometry: an optimization of sample preparation17.903
Combined speciation analysis by X-ray absorption near-edge structure spectroscopy, ion chromatography, and solid-phase microextraction gas chromatography-mass spectrometry to evaluate biotreatment of concentrated selenium wastewaters.17.903
Determination of volatile organic compounds in recycled polyethylene terephthalate and high-density polyethylene by headspace solid phase microextraction gas chromatography mass spectrometry to evaluate the efficiency of recycling processes.17.903
Determination of volatile organic compounds in water by headspace solid-phase microextraction gas chromatography coupled to tandem mass spectrometry with triple quadrupole analyzer.17.903
Use of thermal desorption-gas chromatography-mass spectrometry (TD-GC-MS) on identification of odorant emission focus by volatile organic compounds characterisation17.903
Wastewater analysis for volatile organic sulfides using purge-and-trap with gas chromatography/mass spectrometry17.903
Rapid and sensitive on-line monitoring 6 different kinds of volatile organic compounds in aqueous samples by spray inlet proton transfer reaction mass spectrometry (SI-PTR-MS).17.903
One- and two-dimensional gas chromatography-mass spectrometry and high performance liquid chromatography-diode-array detector fingerprints of complex substances: a comparison of classification performance of similar, complex Rhizoma Curcumae samples17.903
Addressing the need for biomarker liquid chromatography/mass spectrometry assays: A protocol for effective method development for the bioanalysis of endogenous compounds in cerebrospinal fluid17.903
Urinary metanephrines by liquid chromatography tandem mass spectrometry: Using multiple quantification methods to minimize interferences in a high throughput method17.903
Development of an analytical technique and stability evaluation of 143 C3-C12 volatile organic compounds in Summa canisters by gas chromatography-mass spectrometry17.903
Evaluation of two modified quick, easy, cheap, effective, rugged and safe (QuEChERS) sample preparation methods for the analysis of baclofen and gabapentin in feeds by liquid chromatography tandem mass spectrometry17.903
Assessment of sample cleanup and matrix effects in the pesticide residue analysis of foods using postcolumn infusion in liquid chromatography–tandem mass spectrometry17.903
Reduction of animal usage by serial bleeding of mice for pharmacokinetic studies: application of robotic sample preparation and fast liquid chromatography-mass spectrometry.17.903
Editorial on “Liquid chromatography-high-resolution mass spectrometry for pesticide residue analysis in fruit and vegetables: Screening and quantitative studies” by M.M. Gómez-Ramos, C. Ferrer, O. Malato, A. Agüera and A.R. Fernández-Alba17.903
Headspace/solid-phase microextraction/gas chromatography-mass spectrometry: a screening technique for the recovery and identification of volatile organic compounds (VOC's) in postmortem blood and viscera samples17.903
Method development for trace determination of poly(naphthalenesulfonate)-type pollutants in water by liquid chromatography-electrospray mass spectrometry17.903
Routine analysis of alcohol and nonylphenol polyethoxylates in wastewater and sludge using liquid chromatography-electrospray mass spectrometry17.903
Analysis of common and emerging brominated flame retardants in house dust using ultrasonic assisted solvent extraction and on-line sample preparation via column switching with liquid chromatography-mass spectrometry.17.903
Comprehensive Analytical Method for Semi-volatile Organic Compounds in Water Samples by Combination of Disk-type Solid-phase Extraction and Gas Chromatography-Mass Spectrometry Database System17.903
Rapid liquid chromatography-tandem mass spectrometry method for routine analysis of cyclosporin A over an extended concentration range17.903
Artifact-free quantification of free 3-chlorotyrosine, 3-bromotyrosine, and 3-nitrotyrosine in human plasma by electron capture-negative chemical ionization gas chromatography mass spectrometry and liquid chromatography-electrospray ionization tande17.903
Comparison of gas chromatography-mass spectrometry and liquid chromatography-tandem mass spectrometry methods to quantify alpha-tocopherol and alpha-tocopherolquinone levels in human plasma17.903
Analysis of N-glycosylation of phospholipase A2 from venom of individual bees by microbore high-performance liquid chromatography-electrospray mass spectrometry using an ion trap mass spectrometer17.903
Identification of sympathomimetic alkylamine agents in urine using liquid chromatography–mass spectrometry and comparison of derivatization methods for confirmation analyses by gas chromatography–mass spectrometry17.903
Solid-phase microextraction as a sample preparation strategy for the analysis of seleno amino acids by gas chromatography-inductively coupled plasma mass spectrometry17.903
Impurity profiling of pholcodine by liquid chromatography electrospray ionization mass spectrometry (LC-ESI-MS).17.903
Impurity profiling of micronomicin sulfate injection by liquid chromatography-ion trap mass spectrometry.17.903
A Novel Method for High Throughput Lipophilicity Determination by Microscale Shake Flask and Liquid Chromatography Tandem Mass Spectrometry17.903
Impurity profiling of etimicin sulfate by liquid chromatography ion-trap mass spectrometry17.903
Biotransformation of amlodipine. Identification and synthesis of metabolites found in rat, dog and human urine/confirmation of structures by gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry17.903
Comparison of gas chromatography and liquid chromatography mass spectrometric measurements for high accuracy analysis of cholesterol in human serum by isotope dilution mass spectrometry17.903
Application to routine analysis of a method to determine multiclass pesticide residues in fresh vegetables by gas chromatography/tandem mass spectrometry17.903
High-speed gradient parallel liquid chromatography/tandem mass spectrometry with fully automated sample preparation for bioanalysis: 30 seconds per sample from plasma17.903
The design and use of a simple System Suitability Test Mix for generic reverse phase high performance liquid chromatography-mass spectrometry systems and the implications for automated system monitoring using global software tracking17.903
Comparison of gas chromatography-mass spectrometry and high-performance liquid chromatography with coulometric electrode array detection for determination of alkylresorcinol metabolites in human urine17.903
Determination of toxic compounds in paper-recycling process waters by gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry17.903
Gas chromatography/mass spectrometry validation of high-performance liquid chromatography analysis of flecainide enantiomers in serum17.903
Determination of imipramine in plasma by high pressure liquid chromatography and field ionization mass spectrometry: Increased senditivity in comparison with gas chromatography mass spectrometry17.903
Improved sample preparation for the quantitative analysis of paroxetine in human plasma by stable isotope dilution negative ion chemical ionisation gas chromatography-mass spectrometry17.903
Electrochemically assisted Fenton reaction: reaction of hydroxyl radicals with xenobiotics followed by on-line analysis with high-performance liquid chromatography/tandem mass spectrometry17.903
Investigation of an enhanced resolution triple quadrupole mass spectrometer for high-throughput liquid chromatography/tandem mass spectrometry assays17.903
Determination of saturated-hydrocarbon contamination in baby foods by using on-line liquid-gas chromatography and off-line liquid chromatography-comprehensive gas chromatography combined with mass spectrometry17.903
A component tracking algorithm for accelerated and improved liquid chromatography-mass spectrometry method development.17.903
Quantitative determination of benazepril and benazeprilat in human plasma by gas chromatography-mass spectrometry using automated 96-well disk plate solid-phase extraction for sample preparation17.903
Separation of stereoisomers of several furan derivatives by capillary gas chromatography-mass spectrometry, supercritical fluid chromatography, and liquid chromatography using chiral stationary phases.17.903
Targeted N-linked glycosylation analysis of H5N1 influenza hemagglutinin by selective sample preparation and liquid chromatography/tandem mass spectrometry17.903
On-line clean-up by multidimensional liquid chromatography-electrospray ionization tandem mass spectrometry for high throughput quantification of primary and secondary phthalate metabolites in human urine17.903
Evaluation of an improved general unknown screening procedure using liquid chromatography-electrospray-mass spectrometry by comparison with gas chromatography and high-performance liquid-chromatography--diode array detection17.903
Method development and validation for optimized separation of benzo[a]pyrene-quinone isomers using liquid chromatography-mass spectrometry and chemometric response surface methodology17.903
Community air monitoring for pesticides—part 2: multiresidue determination of pesticides in air by gas chromatography, gas chromatography–mass spectrometry, and liquid chromatography–mass spectrometry17.903
Analytical method development for directed enzyme evolution research: A high throughput high-performance liquid chromatography method for analysis of ribose and ribitol and a capillary electrophoresis method for the separation of ribose enantiomers17.903
Direct quantitation of volatile organic compounds in packaging materials by headspace solid-phase microextraction-gas chromatography-mass spectrometry17.903
Impurity profiling of macrolide antibiotics by liquid chromatography-mass spectrometry17.903
Rapid monitoring of volatile organic compounds: a comparison between gas chromatography/mass spectrometry and selected ion flow tube mass spectrometry17.903
Quantification of four artificial sweeteners in Finnish surface waters with isotope-dilution mass spectrometry17.903
Analysis of toxaphene and its eight congeners in sediment and fish tissue by gas chromatography-negative ion mass spectrometry17.903
Investigation of human blood plasma sample preparation for performing metabolomics using ultrahigh performance liquid chromatography/mass spectrometry17.903
Sample preparation and determination of acetylcholine in corneal epithelium cells using liquid chromatography-tandem mass spectrometry17.903
Comparison of a preliminary procedure for the general unknown screening of drugs and toxic compounds using a quadrupole-linear ion-trap mass spectrometer with a liquid chromatography–mass spectrometry reference technique17.903
Routine analysis of amphetamine and methamphetamine in biological materials by gas chromatography–mass spectrometry and on-column derivatization17.903
Measurement of toxic volatile organic compounds in indoor air of semiconductor foundries using multisorbent adsorption/thermal desorption coupled with gas chromatography-mass spectrometry17.903
Increasing sample throughput in pharmacological studies by using dual-column liquid chromatography with tandem mass spectrometry17.903
Solventless sample preparation for pesticides analysis in environmental water samples using solid-phase microextraction-high resolution gas chromatography/mass spectrometry (SPME-HRGC/MS).17.903
The system of quality management in medical laboratory: the problematic issues of implementation of GOST RKS 9001-2008, GOST R ISO 15189-2009 and GOST R ISO 53079-200817.903
Quality assurance of commercial beeswax II. Gas chromatography-electron impact ionization mass spectrometry of alcohols and acids.17.903
Analysis of bumetanide in human urine by high-performance liquid chromatography with fluorescence detection and gas chromatography/mass spectrometry17.903
High throughput identification and quantification of 16 antipsychotics and 8 major metabolites in serum using ultra-high performance liquid chromatography-tandem mass spectrometry.17.903
Coordinating fingerprint determination of solid-phase microextraction/gas chromatography-mass spectrometry and chemometric methods for quality control of oxidized tallow.17.903
New designer drug 1-(3-trifluoromethylphenyl) piperazine (TFMPP): gas chromatography/mass spectrometry and liquid chromatography/mass spectrometry studies on its phase I and II metabolism and on its toxicological detection in rat urine.17.903
Application of solid-phase microextraction and gas chromatography–mass spectrometry to the determination of volatile organic compounds in end-exhaled breath samples17.903
Structural identification of nonvolatile dimerization products of glucosamine by gas chromatography-mass spectrometry, liquid chromatography-mass spectrometry, and nuclear magnetic resonance analysis17.903
Direct analysis in real time mass spectrometry, a process analytical technology tool for real-time process monitoring in botanical drug manufacturing17.903
Simultaneous detection of arginine, asymmetric dimethylarginine, symmetric dimethylarginine and citrulline in human plasma and urine applying liquid chromatography-mass spectrometry with very straightforward sample preparation17.903
Fast liquid chromatography-mass spectrometry glutathione measurement in whole blood: micromolar GSSG is a sample preparation artifact17.903
Qualitative and quantitative analysis of cinobufacini injection using rapid separation liquid chromatography coupled with quadrupole-time-of-flight mass spectrometry and HPLC-photodiode array detection, a feasible strategy for the quality control of17.903
Gas chromatography—mass spectrometry in the investigation of on-column dehydration of steroid hormones during gas—liquid chromatography17.903
Determination of specific volatile organic compounds synthesised during Tuber borchii fruit body development by solid-phase microextraction and gas chromatography/mass spectrometry17.903
Multidimensional on-line sample preparation of verapamil and its metabolites by a molecularly imprinted polymer coupled to liquid chromatography-mass spectrometry17.903
Quality assurance of commercial beeswax. Part I. Gas chromatography-electron impact ionization mass spectrometry of hydrocarbons and monoesters17.903
Rapid determination of benzo(a)pyrene in olive oil samples with solid-phase extraction and low-pressure, wide-bore gas chromatography-mass spectrometry and fast liquid chromatography with fluorescence detection17.903
Urinary screening for methylphenidate (Ritalin) abuse: a comparison of liquid chromatography-tandem mass spectrometry, gas chromatography-mass spectrometry, and immunoassay methods17.903
Separation of stereoisomers of some terpene derivatives by capillary gas chromatography-mass spectrometry and high-performance liquid chromatography using beta-cyclodextrin derivative columns17.903
Sample preparation and determination of gabapentin in venous and capillary blood using liquid chromatography-tandem mass spectrometry17.903
Enzymatic tissue digestion as an alternative sample preparation approach for quantitative analysis using liquid chromatography-tandem mass spectrometry17.903
Determination of a Metolazone metabolite in human urine by high-performance liquid chromatography/diode-array detection, high-performance liquid chromatography/electrospray ionization mass spectrometry and gas chromatography/mass spectrometry17.903
Rapid determination of ketamine in urine by liquid chromatography-tandem mass spectrometry for a high throughput laboratory17.903
High-throughput sample preparation procedures for the quantitation of a new bone integrin alpha(nu)beta(3) antagonist in human plasma and urine using liquid chromatography-tandem mass spectrometry17.903
Method development and validation for quantitative determination of methadone enantiomers in human plasma by liquid chromatography/tandem mass spectrometry17.903
Comprehensive impurity profiling and quantification of Sudan III dyes by gas chromatography/mass spectrometry17.903
High-throughput sample preparation and simultaneous column regeneration liquid chromatography–tandem mass spectrometry method for determination of nitrogen mustard metabolites in human urine17.903
Identification of iso- and n-propylphosphonates using liquid chromatography-tandem mass spectrometry and gas chromatography-Fourier transform infrared spectroscopy17.903
Quantification of urinary excretion of 1,N6-ethenoadenine, a potential biomarker of lipid peroxidation, in humans by stable isotope dilution liquid chromatography-electrospray ionization-tandem mass spectrometry: comparison with gas chromatography-m17.903
A robust high‐throughput sample preparation and liquid chromatography/tandem mass spectrometry method for the quantitation of β‐lyase metabolites of sulfur mustard as 1,1′‐sulfonylbis‐[2‐(methylthio)ethane] in human urine17.903
Determination of thiabendazole in orange juice and rind by liquid chromatography with fluorescence detection and confirmation by gas chromatography/mass spectrometry after extraction by matrix solid-phase dispersion.17.903
Liquid chromatography–tandem mass spectrometry method for determination of panel of neurotransmitters in cerebrospinal fluid from the rat model for tauopathy17.903
Profiling Amino Acids of Jordanian Scalp Hair as a Tool for Diabetes Mellitus Diagnosis: A Pilot Study17.903
Investigation of the use of immobilised metal affinity chromatography for the on-line sample clean up and pre-concentration of nucleotides prior to their determination by ion pair liquid chromatography-electrospray mass spectrometry: a pilot study.17.903
Determination of Xipamide metabolite in human urine by high-performance liquid chromatography/diode-array detection, high-performance liquid chromatography/electrospray ionization mass spectrometry and gas chromatography/mass spectrometry17.903
Ultra-high pressure liquid chromatography-mass spectrometry for plant metabolomics: a systematic comparison of high-resolution quadrupole-time-of-flight and single stage Orbitrap mass spectrometers17.903
Identification by gas chromatography-mass spectrometry of the volatile organic compounds emitted from the wood-rotting fungi Serpula lacrymans and Coniophora puteana, and from Pinus sylvestris timber17.903
Determination of serum cortisol by thermospray liquid chromatography/mass spectrometry: comparison with gas chromatography/mass spectrometry17.903
On-line reversed-phase liquid chromatography-gas chromatography coupled to mass spectrometry for enantiomeric analysis of chiral compounds in fruit beverages.17.903
Evaluation of the Beckman Synchron CX4 clinical chemistry analyzer in a hospital laboratory17.903
Application of tandem mass spectrometry combined with gas chromatography to the routine analysis of ethyl carbamate in stone-fruit spirits17.903
Gas chromatography-high-resolution time-of-flight mass spectrometry in pesticide residue analysis: advantages and limitations17.903
Determination of type B fumonisin mycotoxins in maize and maize-based products by liquid chromatography/tandem mass spectrometry using a QqQlinear ion trap mass spectrometer.17.903
Development, validation and determination of multiclass pesticide residues in cocoa beans using gas chromatography and liquid chromatography tandem mass spectrometry.17.903
Identification and quantification of (polymeric) hindered-amine light stabilizers in polymers using pyrolysis-gas chromatography-mass spectrometry and liquid chromatography-ultraviolet absorbance detection-evaporative light scattering detection.17.903
Development and validation of a liquid chromatography and tandem mass spectrometry method for determination of roscovitine in plasma and urine samples utilizing on-line sample preparation17.903
Monoamines and their metabolites in cerebrospinal fluid of patients with senile dementia of Alzheimer type using high performance liquid chromatography and gas chromatography-mass spectrometry17.903
Liquid chromatography coupled with tandem mass spectrometry for the bioanalysis of proteins in drug development: practical considerations in assay development and validation17.903
High throughput qualitative analysis of polyphenols in tea samples by ultra-high pressure liquid chromatography coupled to UV and mass spectrometry detectors17.903
Determination of alditols in foods by ion chromatography-mass spectrometry17.903
A scalable platform for clinical immunophenotyping: assay design and quality control for high complexity flow cytometry17.903
Determination of low level nitrite and nitrate in biological, food and environmental samples by gas chromatography-mass spectrometry and liquid chromatography with fluorescence detection17.903
On-line solid-phase extraction combined with liquid chromatography-tandem mass spectrometry for high throughput analysis of 11-nor-Delta9-tetrahydrocannabinol-9-carboxylic acid in urine.17.903
In vitro and in vivo investigation of metabolic fate of rifampicin using an optimized sample preparation approach and modern tools of liquid chromatography-mass spectrometry17.903
Closed-loop, multiobjective optimization of analytical instrumentation: gas chromatography/time-of-flight mass spectrometry of the metabolomes of human serum and of yeast fermentations17.903
Comparative analysis of odorous volatile organic compounds between direct injection and solid-phase microextraction: development and validation of a gas chromatography-mass spectrometry-based methodology17.903
Ultra-Sensitive Measurements of 11-Nor-Δ9-Tetrahydrocannabinol-9-Carboxylic Acid in Oral Fluid by Microflow Liquid Chromatography–Tandem Mass Spectrometry Using a Benchtop Quadrupole/Orbitrap Mass Spectrometer17.903
Response surface optimization for determination of volatile organic compounds in water samples by headspace-gas chromatography-mass spectrometry method17.903
Determination of thromboxanes, leukotrienes and lipoxins using high-temperature capillary liquid chromatography-tandem mass spectrometry and on-line sample preparation17.903
Method validation and comparison of acetonitrile and acetone extraction for the analysis of 169 pesticides in soya grain by liquid chromatography-tandem mass spectrometry17.903
Quantitative analysis of tetramethylenedisulfotetramine (tetramine) spiked into beverages by liquid chromatography-tandem mass spectrometry with validation by gas chromatography-mass spectrometry17.903
A pilot study of gas chromatograph/mass spectrometry-based serum metabolic profiling of colorectal cancer after operation17.903
Determination of tellurium in urine by isotope dilution gas chromatography/mass spectrometry using (4-fluorophenyl)magnesium bromide as a derivatizing agent and a comparison with electrothermal atomic absorption spectrometry17.903
Determination of hormonal growth promoters in bovine hair: comparison of liquid chromatography-mass spectrometry and gas chromatography-mass spectrometry methods for estradiol benzoate and nortestosterone decanoate.17.903
A candidate reference method for the determination of uric acid in serum based on high performance liquid chromatography, compared with an isotope dilution-gas chromatography-mass spectrometer method17.903
Stir bar sorptive extraction-gas chromatography-mass spectrometry analysis of tetramethylene disulfotetramine in food: Method development and comparison to solid-phase microextraction17.903
Quantification of endocrine disruptors and pesticides in water by gas chromatography-tandem mass spectrometry. Method validation using weighted linear regression schemes17.903
Method development for the analysis of 1,4-dioxane in drinking water using solid-phase extraction and gas chromatography-mass spectrometry17.903
Good clinical laboratory practice (GCLP): the need for a hybrid of good laboratory practice and good clinical practice guidelines/standards for medical testing laboratories conducting clinical trials in developing countries17.903
Determination of oxymatrine and its metabolite matrine in rat blood and dermal microdialysates by high throughput liquid chromatography/tandem mass spectrometry17.903
Validation of high-throughput measurement system with microwave-assisted extraction, fully automated sample preparation device, and gas chromatography-electron capture detector for determination of polychlorinated biphenyls in whale blubber17.903
High throughput screening various abused drugs and metabolites in urine by liquid chromatography-heated electrospray ionization/tandem mass spectrometry17.903
Method development and validation for strobilurin fungicides in baby foods by solid-phase microextraction gas chromatography-mass spectrometry17.903
Linear and cyclic methylsiloxanes in air by concurrent solvent recondensation–large volume injection–gas chromatography–mass spectrometry17.903
Determination of Sudan dye residues in eggs by liquid chromatography and gas chromatography-mass spectrometry17.903
Fractionation by liquid chromatography combined with comprehensive two-dimensional gas chromatography-mass spectrometry for analysis of cyclics in oligomerisation products of Fischer-Tropsch derived light alkenes17.903
Rapid and sensitive liquid chromatography-tandem mass spectrometry: assay development, validation and application to a human pharmacokinetic study17.903
Headspace solid phase microextraction/gas chromatography-mass spectrometry combined to chemometric analysis for volatile organic compounds determination in canine hair: a new tool to detect dog contamination by visceral leishmaniasis17.903
Comparison of two common adsorption materials for thermal desorption gas chromatography - mass spectrometry of biogenic volatile organic compounds.17.903
Case study and application of process analytical technology (PAT) towards bioprocessing: II. Use of ultra-performance liquid chromatography (UPLC) for making real-time pooling decisions for process chromatography17.903
Ionic liquid supported three-phase liquid-liquid-liquid microextraction as a sample preparation technique for aliphatic and aromatic hydrocarbons prior to gas chromatography-mass spectrometry17.903
Quality control and quality assurance in flow cytometry17.903
Matrix Effects and Interferences of Different Citrus Fruit Coextractives in Pesticide Residue Analysis Using Ultrahigh-Performance Liquid Chromatography-High-Resolution Mass Spectrometry17.903
Structural elucidation of in vivo metabolites of penehyclidine in rats by the method of liquid chromatography-mass spectrometry, gas chromatography-mass spectrometry and isotope ion cluster17.903
Effective use of liquid chromatography-mass spectrometry (LC/MS) in the routine clinical laboratory for monitoring sirolimus, tacrolimus, and cyclosporine17.903
Validation of a high throughput method for serum/plasma testosterone using liquid chromatography tandem mass spectrometry (LC-MS/MS).17.903
Determination of pesticide residues in olives and olive oil by matrix solid-phase dispersion followed by gas chromatography/mass spectrometry and liquid chromatography/tandem mass spectrometry17.903
Simultaneous determination of cyclophosphamide, ifosfamide, doxorubicin, epirubicin and daunorubicin in human urine using high-performance liquid chromatography/electrospray ionization tandem mass spectrometry: bioanalytical method validation.17.903
Characteristics of volatile organic compounds produced from five pathogenic bacteria by headspace-solid phase micro-extraction/gas chromatography-mass spectrometry17.903
Determination of 16 phthalate metabolites in urine using automated sample preparation and on-line preconcentration/high-performance liquid chromatography/tandem mass spectrometry17.903
Metabonomics investigation of human urine after ingestion of green tea with gas chromatography/mass spectrometry, liquid chromatography/mass spectrometry and (1)H NMR spectroscopy.17.903
High throughput and sensitive determination of trazodone and its primary metabolite, m-chlorophenylpiperazine, in human plasma by liquid chromatography-tandem mass spectrometry17.903
A study of the analytical behaviour of selected new molecular entities using electrospray ionisation ion trap mass spectrometry, liquid chromatography, gas chromatography and polarography and their determination in serum at therapeutic concentration17.903
Novel, highly robust method of carbohydrate pre-purification by two-dimensional liquid chromatography prior to liquid chromatography/mass spectrometry or gas chromatography/mass spectrometry17.903
Novel solid-phase extraction protocol for 11-nor-9-carboxy-delta9-tetrahydrocannabinol from urine samples employing a polymeric mixed-mode cation-exchange resin, Strata-X-C, suitable for gas chromatography-mass spectrometry or liquid chromatography-17.903
Applications of Hadamard transform to gas chromatography/mass spectrometry and liquid chromatography/mass spectrometry17.903
Pesticide residue analysis of a dietary ingredient by gas chromatography/selected-ion monitoring mass spectrometry using neutral alumina solid-phase extraction cleanup17.903
Multimode gradient high performance liquid chromatography mass spectrometry method applicable to metabolomics and environmental monitoring17.903
Quantification of selected volatile organic compounds in human urine by gas chromatography selective reagent ionization time of flight mass spectrometry (GC-SRI-TOF-MS) coupled with head-space solid-phase microextraction (HS-SPME).17.903
Method development for quantification of quizartinib in rat plasma by liquid chromatography/tandem mass spectrometry for pharmacokinetic application.17.903
A preliminary identification and determination of characteristic volatile organic compounds from cotton, polyester and terry-towel by headspace solid phase microextraction gas chromatography-mass spectrometry.17.903
Development of C18-functionalized magnetic silica nanoparticles as sample preparation technique for the determination of ergosterol in cigarettes by microwave-assisted derivatization and gas chromatography/mass spectrometry17.903
Analysis of semicarbazide in baby food by liquid chromatography tandem mass spectrometry (LC-MS-MS)--in-house method validation17.903
Off-line high-performance liquid chromatography and solid-phase extraction clean-up for confirmation of pesticide residues in fresh produce by gas chromatography-mass spectrometry17.903
High-precision measurement of phenylalanine δ15N values for environmental samples: a new approach coupling high-pressure liquid chromatography purification and elemental analyzer isotope ratio mass spectrometry.17.903
Survey of inorganic arsenic in marine animals and marine certified reference materials by anion exchange high-performance liquid chromatography-inductively coupled plasma mass spectrometry17.903
Convenient identification of desulfoglucosinolates on the basis of mass spectra obtained during liquid chromatography-diode array-electrospray ionisation mass spectrometry analysis: method verification for sprouts of different Brassicaceae species e17.903
High throughput screening and antioxidant assay of dibenzo[a,c]cyclooctadiene lignans in modified-ultrasonic and supercritical fluid extracts of Schisandra chinensis Baill by liquid chromatography--mass spectrometry and a free radical-scavenging met17.903
Exploring the fatty acids of vernix caseosa in form of their methyl esters by off-line coupling of non-aqueous reversed phase high performance liquid chromatography and gas chromatography coupled to mass spectrometry17.903
Construction of an automated gas chromatography/mass spectrometry system for the analysis of ambient volatile organic compounds with on-line internal standard calibration17.903
Screening volatile organic compounds (VOCs) emissions from five marine phytoplankton species by head space gas chromatography/mass spectrometry (HS-GC/MS).17.903
High-throughput screening of inhibitory potential of nine cytochrome P450 enzymes in vitro using liquid chromatography/tandem mass spectrometry17.903
Method development for the determination of d- and l-isomers of leucine in human plasma by high-performance liquid chromatography tandem mass spectrometry and its application to animal plasma samples17.903
Determination of household chemicals using gas chromatography and liquid chromatography with tandem mass spectrometry.17.903
Comparison of four extraction methods for the analysis of 24 pesticides in soil samples with gas chromatography-mass spectrometry and liquid chromatography-ion trap-mass spectrometry17.903
Quality control of medicinal herbs Fructus gardeniae, Common Andrographis Herb and their preparations for their active constituents by high-performance liquid chromatography-photodiode array detection-electrospray mass spectrometry17.903
Determination of volatile organic compounds in the dried leaves ofSalviaspecies by solid-phase microextraction coupled to gas chromatography mass spectrometry17.903
Comparative evaluation of liquid chromatography-mass spectrometry versus gas chromatography-mass spectrometry for the determination of hexabromocyclododecanes and their degradation products in indoor dust17.903
Simultaneous determination of nineteen hallucinogenic tryptamines/beta-calbolines and phenethylamines using gas chromatography-mass spectrometry and liquid chromatography-electrospray ionisation-mass spectrometry17.903
Method development for identification of ketobemidone metabolites in microdialysate samples by coupled-column capillary liquid chromatography-tandem mass spectrometry17.903
Oxidative Degradation of Polysorbate Surfactants Studied by Liquid Chromatography–Mass Spectrometry17.903
Autosampler programming for improved sample throughput in liquid chromatography/mass spectrometry17.903
Quantitative high-performance liquid chromatography-tandem mass spectrometry impurity profiling methods for the analysis of parenteral infusion solutions for amino acid supplementation containing L-alanyl-L-glutamine17.903
High throughput analysis of cerebrosides from the sea cucumber Pearsonothria graeffei by liquid chromatography-quadrupole-time-of-flight mass spectrometry17.903
Simultaneous quantification of polar and non-polar volatile organic compounds in water samples by direct aqueous injection-gas chromatography/mass spectrometry17.903
Detection and quantification of sucrose as dietary biomarker using gas chromatography and liquid chromatography with mass spectrometry17.903
Characterization of boldione and its metabolites in human urine by liquid chromatography/electrospray ionization mass spectrometry and gas chromatography/mass spectrometry17.903
Method validation of microcystins in water and tissue by enhanced liquid chromatography tandem mass spectrometry17.903
Online in situ analysis of selected semi-volatile organic compounds in water by automated microscale solid-phase extraction with large-volume injection/gas chromatography/mass spectrometry17.903
Elucidation of urinary metabolites of fluoxymesterone by liquid chromatography-tandem mass spectrometry and gas chromatography-mass spectrometry17.903
Method development for the redox speciation analysis of iron by ion chromatography–inductively coupled plasma mass spectrometry and carryover assessment using isotopically labeled analyte analogues17.903
Determination of sertraline in human plasma by high-performance liquid chromatography-electrospray ionization mass spectrometry and method validation17.903
Multiresidue liquid chromatography tandem mass spectrometry determination of 52 non gas chromatography-amenable pesticides and metabolites in different food commodities.17.903
Optimization of a trypsin-bioreactor coupled with high-performance liquid chromatography-electrospray ionization tandem mass spectrometry for quality control of biotechnological drugs.17.903
High-field asymmetric waveform ion mobility spectrometry coupled with liquid chromatography/electrospray ionization tandem mass spectrometry (LC/ESI-FAIMS-MS/MS) multi-component bioanalytical method development, performance evaluation and demonstrat17.903
Arsenic speciation in water by high-performance liquid chromatography/inductively coupled plasma mass spectrometry-method validation and uncertainty estimation17.903
Liquid chromatography-mass spectrometry/mass spectrometry method development for drug metabolism studies: Examining lipid matrix ionization effects in plasma17.903
Simultaneous determination of 405 pesticide residues in grain by accelerated solvent extraction then gas chromatography-mass spectrometry or liquid chromatography-tandem mass spectrometry17.903
High throughput therapeutic drug monitoring of clozapine and metabolites in serum by on-line coupling of solid phase extraction with liquid chromatography-mass spectrometry17.903
Method development, validation and bioequivalence of varenicline in human plasma by liquid chromatography tandem mass spectrometry17.903
Determination of carbohydrates in tobacco products by liquid chromatography-mass spectrometry/mass spectrometry: a comparison with ion chromatography and application to product discrimination17.903
Total Laboratory Automation and Matrix-Assisted Laser Desorption Ionization–Time of Flight Mass Spectrometry Improve Turnaround Times in the Clinical Microbiology Laboratory: a Retrospective Analysis17.903
Plasma metabonomics study of rheumatoid arthritis and its Chinese medicine subtypes by using liquid chromatography and gas chromatography coupled with mass spectrometry.17.903
Determination of volatile organic compounds in exhaled breath of heart failure patients by needle trap micro-extraction coupled with gas chromatography-tandem mass spectrometry17.903
High throughput and accurate serum proteome profiling by integrated sample preparation technology and single-run data independent mass spectrometry analysis.17.903
Investigations of S-transnitrosylation reactions between low- and high-molecular-weight S-nitroso compounds and their thiols by high-performance liquid chromatography and gas chromatography-mass spectrometry17.903
Simultaneous determination of 12 vitamin D compounds in human serum using online sample preparation and liquid chromatography-tandem mass spectrometry17.903
Ultra-high performance liquid chromatography coupled with quadrupole/time of flight mass spectrometry based chemical profiling approach for the holistic quality control of complex Kang-Jing formula preparations17.903
Application of ultrahigh‐performance liquid chromatography coupled with mass spectrometry for analysis of lignans and quality control of Fructus Schisandrae chinensis17.903
Impact of introducing quality control/quality assurance (QC/QA) guidelines in respiratory specimen processing17.903
Quantification of cefazolin in serum and adipose tissue by ultra high performance liquid chromatography-Tandem mass spectrometry (UHPLC-MS/MS): application to a pilot study of obese women undergoing cesarean delivery17.903
Validation of the Six Sigma Z-score for the quality assessment of clinical laboratory timeliness17.903
In-line sampling with gas chromatography–mass spectrometry to monitor ambient volatile organic compounds17.903
Valid methods: the quality assurance of test method development, validation, approval, and transfer for veterinary testing laboratories17.903
Validation of a radioimmunoassay for (+)-abscisic acid in extracts of apple and sweet-pepper tissue using high-pressure liquid chromatography and combined gas chromatography-mass spectrometry17.903
Gas chromatography-mass spectrometry with high-performance liquid chromatography prepurification for monitoring the endonuclease III-mediated excision of 5-hydroxy-5,6-dihydrothymine and 5,6-dihydrothymine from gamma-irradiated DNA.17.903
Solid-phase microextraction coupled to gas chromatography-mass spectrometry followed by multivariate data analysis for the identification of volatile organic compounds as possible biomarkers in lung cancer tissues17.903
Fast analysis of volatile organic compounds and disinfection by-products in drinking water using solid-phase microextraction-gas chromatography/time-of-flight mass spectrometry17.903
Simultaneous chemical and sensory characterization of volatile organic compounds and semi-volatile organic compounds emitted from swine manure using solid phase microextraction and multidimensional gas chromatography-mass spectrometry-olfactometry17.903
Analysis of potential genotoxic impurities in rabeprazole active pharmaceutical ingredient via Liquid Chromatography-tandem Mass Spectrometry, following quality-by-design principles for method development.17.903
Carbamazepine, lamotrigine, levetiracetam and valproic acid in dried blood spots with liquid chromatography tandem mass spectrometry; method development and validation17.903
An approach to develop binary chromatographic fingerprints of the total alkaloids from Caulophyllum robustum by high performance liquid chromatography/diode array detector and gas chromatography/mass spectrometry17.903
Simultaneous quantitation of endogenous estrone, 17β-estradiol, and estriol in human serum by isotope-dilution liquid chromatography-tandem mass spectrometry for clinical laboratory applications17.903
Comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry for the forensic study of cadaveric volatile organic compounds released in soil by buried decaying pig carcasses17.903
Determination of volatile organic compounds in pen inks by a dynamic headspace needle trap device combined with gas chromatography-mass spectrometry17.903
Degradation and interconversion of plant pteridines during sample preparation and ultra-high performance liquid chromatography-tandem mass spectrometry17.903
Sampling method development and optimization in view of human hand odor analysis by thermal desorption coupled with gas chromatography and mass spectrometry.17.903
Analytical and clinical performance of the new Fujirebio 25-OH vitamin D assay, a comparison with liquid chromatography-tandem mass spectrometry (LC-MS/MS) and three other automated assays17.903
Quantification of Tricyclic Antidepressants in Serum Using Liquid Chromatography Electrospray Tandem Mass Spectrometry (HPLC-ESI-MS/MS)17.903
Simultaneous quantitation of meperidine, normeperidine, tramadol, propoxyphene and norpropoxyphene in human plasma using solid-phase extraction and gas chromatography/mass spectrometry: Method validation and application to cardiovascular safety of t17.903
Verification of examination procedures in clinical laboratory for imprecision, trueness and diagnostic accuracy according to ISO 15189:2012: a pragmatic approach17.903
Alkaloids Profiling of Fumaria capreolata by Analytical Platforms Based on the Hyphenation of Gas Chromatography and Liquid Chromatography with Quadrupole-Time-of-Flight Mass Spectrometry.17.903
Compound-Specific Chlorine Isotope Analysis of Tetrachloromethane and Trichloromethane by Gas Chromatography-Isotope Ratio Mass Spectrometry vs Gas Chromatography-Quadrupole Mass Spectrometry: Method Development and Evaluation of Precision and Truen17.903
Determination of remifentanil in human plasma by liquid chromatography-tandem mass spectrometry utilizing micro extraction in packed syringe (MEPS) as sample preparation17.903
Antibody Drug-Target Engagement Measurement in Tissue Using Quantitative Affinity Extraction Liquid Chromatography-Mass Spectrometry: Method Development and Qualification.17.903
Accurate Quantitation and Analysis of Nitrofuran Metabolites, Chloramphenicol, and Florfenicol in Seafood by Ultrahigh-Performance Liquid Chromatography-Tandem Mass Spectrometry: Method Validation and Regulatory Samples.17.903
Simultaneous determination of volatile organic compounds with a wide range of polarities in urine by headspace solid-phase microextraction coupled to gas chromatography/mass spectrometry.17.903
Chemical profiling and quantification of ShenKang injection, a systematic quality control strategy using ultra high performance liquid chromatography with Q Exactive hybrid quadrupole orbitrap high-resolution accurate mass spectrometry17.903
Method development and validation for pharmacokinetic and tissue distributions of ellagic acid using ultrahigh performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS).17.903
High throughput screening of sub-ppb levels of basic drugs in equine plasma by liquid chromatography-tandem mass spectrometry17.903
Simultaneous liquid chromatography/mass spectrometry determination of both polar and "multiresidue" pesticides in food using parallel hydrophilic interaction/reversed-phase liquid chromatography and a hybrid sample preparation approach.17.903
Intra-batch effect correction in liquid chromatography-mass spectrometry using quality control samples and support vector regression (QC-SVRC).17.903
Comparison of gas chromatography/isotope ratio mass spectrometry and liquid chromatography/isotope ratio mass spectrometry for carbon stable‐isotope analysis of carbohydrates17.903
Optimizing an ultrafast generic high-performance liquid chromatography/tandem mass spectrometry method for faster discovery pharmacokinetic sample throughput17.903
High-throughput screening and quantitation of guanidino and ureido compounds using liquid chromatography-drift tube ion mobility spectrometry-mass spectrometry17.903
Determination of vitamins D2 and D3 in selected food matrices by online high-performance liquid chromatography–gas chromatography–mass spectrometry (HPLC-GC-MS)17.903
Multiclass pesticide residue analysis in fish muscle and liver on one-step extraction-cleanup strategy coupled with liquid chromatography tandem mass spectrometry17.903
Rapid sample preparation and simultaneous quantitation of prostaglandins and lipoxygenase derived fatty acid metabolites by liquid chromatography-mass spectrometry from small sample volumes.17.903
New trend in sample preparation: on-line microextraction in packed syringe for liquid and gas chromatography applications. I. Determination of local anaesthetics in human plasma samples using gas chromatography-mass spectrometry17.903
Modified HPLC–ESI–MS Method for Glycated Hemoglobin Quantification Based on the IFCC Reference Measurement Procedure and Its Application for Quantitative Analyses in Clinical Laboratories of China17.903
Screening therapeutics according to their uptake across the blood-brain barrier: A high throughput method based on immobilized artificial membrane liquid chromatography-diode-array-detection coupled to electrospray-time-of-flight mass spectrometry.17.903
Pilot study for the standardization of insulin immunoassays with isotope dilution liquid chromatography/tandem mass spectrometry.17.903
Evaluation of purge-and-trap-high-resolution gas chromatography-mass spectrometry for the determination of 27 volatile organic compounds in marine water at the ng l(-1) concentration level17.903
Overcoming practical limitations for the application of ultrafiltration in sample preparation for liquid chromatography/ mass spectrometry of small proteins17.903
Combination of liquid chromatography/tandem mass spectrometry and gas chromatography/mass spectrometry for the detection of 21 anabolic steroid residues in bovine urine17.903
Metabonomics study of oral cancer using gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry17.903
Bio-analytical method development and validation of Rasagiline by high performance liquid chromatography tandem mass spectrometry detection and its application to pharmacokinetic study17.903
Rapid determination of anti-estrogens by gas chromatography/mass spectrometry in urine: Method validation and application to real samples17.903
Isotope dilution-gas chromatography/mass spectrometry and liquid chromatography/electrospray ionization-tandem mass spectrometry for the determination of triiodo-L-thyronine in serum17.903
Estradiol-17 beta quantified in serum by isotope dilution-gas chromatography-mass spectrometry: reversed-phase C18 high-performance liquid chromatography compared with immuno-affinity chromatography for sample pretreatment17.903
Flexible nano- and microliter injections on a single liquid chromatography-mass spectrometry system: Minimizing sample preparation and maximizing linear dynamic range17.903
Method development and validation of Guanfacine in rat plasma by liquid chromatography-tandem mass spectrometry: Application to a pharmacokinetic study17.903
Method validation in quantitative analysis of phase I and phase II metabolites of mitragynine in human urine using liquid chromatography-tandem mass spectrometry17.903
Impurity profiling and in-process testing of drugs for injection by fast liquid chromatography17.903
Serum Testosterone by Liquid Chromatography Tandem Mass Spectrometry for Routine Clinical Diagnostics17.903
Application of Gas Chromatography Coupled to Quadrupole-Orbitrap Mass Spectrometry for Pesticide Residue Analysis in Cereals and Feed Ingredients17.903
Further improvements in pesticide residue analysis in food by applying gas chromatography triple quadrupole mass spectrometry (GC-QqQ-MS/MS) technologies17.903
Improved quantification of livestock associated odorous volatile organic compounds in a standard flow-through system using solid-phase microextraction and gas chromatography-mass spectrometry17.903
δD and δ13C analyses of atmospheric volatile organic compounds by thermal desorption gas chromatography isotope ratio mass spectrometry17.903
Liquid chromatography tandem mass spectrometry: challenges in introducing published methods into the clinical laboratory.17.903
A letter in response to 'Liquid chromatography tandem mass spectrometry: challenges in introducing published methods into the clinical laboratory' by Khedr et al.17.903
Target and non-target screening of volatile organic compounds in industrial exhaust gas using thermal desorption-gas chromatography-mass spectrometry17.903
Analysis of four sulfonylurea herbicides in cereals using modified Quick, Easy, Cheap, Effective, Rugged, and Safe sample preparation method coupled with liquid chromatography-tandem mass spectrometry17.903
Rapid determination of volatile organic compounds in workplace air by protable gas chromatography-mass spectrometer17.903
Novel bio analytical method development, validation and application for simultaneous determination of nebivolol and S-amlodipine in human plasma using ultra performance liquid chromatography-tandem mass spectrometry17.903
Method development, matrix effect, and risk assessment of 49 multiclass pesticides in kiwifruit using liquid chromatography coupled to tandem mass spectrometry.17.903
Comparison of green sample preparation techniques in the analysis of pyrethrins and pyrethroids in baby food by liquid chromatography-tandem mass spectrometry17.903
High-throughput screening of vitamins and natural antioxidants in nutraceuticals from green tea extracts by liquid chromatography coupled to quadrupole orbitrap mass spectrometry17.903
Results of a European interlaboratory method validation study for the quantitative determination of lipophilic marine biotoxins in raw and cooked shellfish based on high-performance liquid chromatography-tandem mass spectrometry. Part I: collaborati17.903
Determination of pesticide residues in samples of green minor crops by gas chromatography and ultra performance liquid chromatography coupled to tandem quadrupole mass spectrometry17.903
Pesticide analysis in teas and chamomile by liquid chromatography and gas chromatography tandem mass spectrometry using a modified QuEChERS method: validation and pilot survey in real samples17.903
Planar solid phase extraction clean-up for pesticide residue analysis in tea by liquid chromatography-mass spectrometry17.903
Streamlining sample preparation and gas chromatography-tandem mass spectrometry analysis of multiple pesticide residues in tea.17.903
Liquid chromatography fractionation with gas chromatography/mass spectrometry and preparative gas chromatography-nuclear magnetic resonance analysis of selected nonylphenol polyethoxylates17.903
Evaluation of nanoflow liquid chromatography high resolution mass spectrometry for pesticide residue analysis in food.17.903
Quality control assessment of polyherbal formulation based on a quantitative determination multimarker approach by ultra high performance liquid chromatography with tandem mass spectrometry using polarity switching combined with multivariate analysi17.903
A novel method for the quality control of saffron through the simultaneous analysis of authenticity and adulteration markers by liquid chromatography-(quadrupole-time of flight)-mass spectrometry17.903
A multi-residue method for the simultaneous analysis in indoor dust of several classes of semi-volatile organic compounds by pressurized liquid extraction and gas chromatography/tandem mass spectrometry.17.903
International Federation of Clinical Chemistry, Scientific Committee Expert Panel on Nomenclature and Principles of Quality Control in Clinical Chemistry Approved recommendations (1979) on quality control in clinical chemistry, Part 6. Quality requi17.903
Usefulness of EC4 essential criteria for quality systems of medical laboratories as guideline to the ISO 15189 and ISO 17025 documents. European Community Confederation of Clinical Chemistry (EC4) Working Group on Harmonisation of Quality Systems an17.903
Impact of sample extraction on the accurate measurement of progesterone in human serum by liquid chromatography tandem mass spectrometry17.903
Characterization of the volatile organic compounds of Italian 'Fossa' cheese by solid-phase microextraction gas chromatography/mass spectrometry.17.903
Shotgun analysis of membrane proteomes using a novel combinative strategy of solution-based sample preparation coupled with liquid chromatography–tandem mass spectrometry17.903
Complex Metals: An Open Access Journal17.903
Quantitative Insulin Analysis Using Liquid Chromatography–Tandem Mass Spectrometry in a High-Throughput Clinical Laboratory17.903
High throughput quantitative analysis of the β-lyase sulfur mustard metabolite, 1,1'-sulfonylbis[2-(methylsulfinyl)ethane] in urine via high performance liquid chromatography tandem mass spectrometry17.903
Simple and Fast Sample Preparation Followed by Gas Chromatography-Tandem Mass Spectrometry (GC-MS/MS) for the Analysis of 2- and 4-Methylimidazole in Cola and Dark Beer17.903
Pressure-adjusted continual flow heart-cutting for the high throughput determination of amphetamine-type stimulant drugs in whole blood by fast multidimensional gas chromatography-mass spectrometry17.903
A multiplexed immunocapture liquid chromatography tandem mass spectrometry assay for the simultaneous measurement of myostatin and GDF-11 in rat serum using an automated sample preparation platform17.903
Simultaneous quantitation of five Panax notoginseng saponins by multi heart-cutting two-dimensional liquid chromatography: Method development and application to the quality control of eight Notoginseng containing Chinese patent medicines17.903
Analysis of phytohormones in vermicompost using a novel combinative sample preparation strategy of ultrasound-assisted extraction and solid-phase extraction coupled with liquid chromatography–tandem mass spectrometry17.903
Analysis of phthalates in wine using liquid chromatography tandem mass spectrometry combined with a hold-back column: Chromatographic strategy to avoid the influence of pre-existing phthalate contamination in a liquid chromatography system17.903
Determination of acrylamide in Chinese traditional carbohydrate-rich foods using gas chromatography with micro-electron capture detector and isotope dilution liquid chromatography combined with electrospray ionization tandem mass spectrometry17.903
Comparison of a two-dimensional liquid chromatography/mass spectrometry approach with a chip-based nanoelectrospray device for structural elucidation of metabolites in a human ADME study using a quadrupole time-of-flight mass spectrometer17.903
An improved method validation for rapid determination of acrylamide in foods by ultra-performance liquid chromatography combined with tandem mass spectrometry17.903
Analysis of bacteria degradation products of methyl parathion by liquid chromatography/electrospray time-of-flight mass spectrometry and gas chromatography/mass spectrometry17.903
Method development and validation for zotarolimus concentration determination in stented swine arteries by liquid chromatography/tandem mass spectrometry detection17.903
Characterization of volatile organic compounds and odors by in-vivo sampling of beef cattle rumen gas, by solid-phase microextraction, and gas chromatography-mass spectrometry-olfactometry17.903
Ultra high performance liquid chromatography coupled with high resolution quantitation mass spectrometry method development and validation for determining genotoxic 2,5-dichlorobenzoyl chloride in MLN9708 drug substance17.903
A new on-line sample preparation system for the liquid chromatography/time-of-flight mass spectrometry simultaneous analysis of pesticides in river water17.903
Method development for the analysis of N-nitrosodimethylamine and other N-nitrosamines in drinking water at low nanogram/liter concentrations using solid-phase extraction and gas chromatography with chemical ionization tandem mass spectrometry.17.903
The corona charged aerosol detector for liquid chromatography and high field asymmetric waveform ion mobility spectrometry combined with liquid chromatography/mass spectrometry and gas chromatography.17.903
Development of a liquid chromatography-tandem mass spectrometry method using capillary liquid chromatography and nanoelectrospray ionization-quadrupole time-of-flight hybrid mass spectrometer for the detection of milk allergens17.903
Multiclass pesticide analysis in fruit-based baby food: A comparative study of sample preparation techniques previous to gas chromatography-mass spectrometry.17.903
Analysis of volatile organic compounds in pleural effusions by headspace solid-phase microextraction coupled with cryotrap gas chromatography and mass spectrometry.17.903
Application of dispersive liquid-liquid microextraction and gas chromatography with mass spectrometry for the determination of oxygenated volatile organic compounds in effluents from the production of petroleum bitumen.17.903
Strategies for continuous on-line high performance liquid chromatography coupled with diode array detection and electrospray tandem mass spectrometry for process monitoring of sulphonated azo dyes and their intermediates in anaerobic-aerobic bioreac17.903
Detection of new propofol metabolites in human urine using gas chromatography/mass spectrometry and liquid chromatography/mass spectrometry techniques17.903
Urine ethyl glucuronide and ethyl sulphate using liquid chromatography-tandem mass spectrometry in a routine clinical laboratory17.903
Method validation for the determination of propellant components by Soxhlet extraction and gas chromatography/mass spectrometry17.903
Comparative study of the determination of bupivacaine in human plasma by gas chromatography-mass spectrometry and high-performance liquid chromatography17.903
Internal standard tracked dilution to overcome challenges in dried blood spots and robotic sample preparation for liquid chromatography/tandem mass spectrometry assays17.903
Application of internal quality control to the analysis of quaternary ammonium compounds in surface and groundwater from Andalusia (Spain) by liquid chromatography with mass spectrometry17.903
Continuous improvement, quality control, and cost containment in clinical laboratory testing. Effects of establishing and implementing guidelines for preoperative tests17.903
Determination of nitroalkanes in mainstream cigarette smoke by heart-cutting multidimensional gas chromatography system coupled with mass spectrometry detection17.903
Method validation and application of a liquid chromatography–tandem mass spectrometry method for drugs of abuse testing in exhaled breath17.903
Different Types of Urinary Steroid Profiling Obtained by High-Performance Liquid Chromatography and Gas Chromatography-Mass Spectrometry in Patients with Adrenocortical Carcinoma.17.903
Anodic alumina coating for extraction of volatile organic compounds in human exhaled breath vapor17.903
Analysis of volatile organic compounds in exhaled breath by gas chromatography-mass spectrometry combined with chemometric analysis17.903
New graphene fiber coating for volatile organic compounds analysis17.903
Preparative high-performance liquid chromatography and preparative thin-layer chromatography isolation of tocainide carbamoyl-O-beta-D-glucuronide: structural characterization by gas chromatography-mass spectrometry and fast atom bombardment-mass sp17.903
Gas chromatography-mass spectrometry with headspace for the analysis of volatile organic compounds in waste water17.903
Metabolic study of methylstenbolone in horses using liquid chromatography-high resolution mass spectrometry and gas chromatography-mass spectrometry17.903
High-Throughput Screening and Confirmation of 22 Banned Veterinary Drugs in Feedstuffs Using LC-MS/MS and High-Resolution Orbitrap Mass Spectrometry17.903
Identification and determination of norcocaine in illicit cocaine and coca leaves by gas chromatography-mass spectrometry and high-performance liquid chromatography17.903
Quantitation of ethyl carbamate in whiskey, sherry, port, and wine by gas chromatography/tandem mass spectrometry using a triple quadrupole mass spectrometer17.903
Quantitative Multiclass Pesticide Residue Analysis in Apple, Pear, and Grape by Modified QuEChERS and Liquid Chromatography Coupled to High-Resolution Mass Spectrometry.17.903
Absolute quantification of peptides by isotope dilution liquid chromatography-inductively coupled plasma mass spectrometry and gas chromatography/mass spectrometry.17.903
Computer-assisted method development in liquid chromatography-mass spectrometry: new proposals17.903
An automated high throughput liquid chromatography-mass spectrometry process to assess the metabolic stability of drug candidates17.903
Comparative urine analysis by liquid chromatography-mass spectrometry and multivariate statistics: method development, evaluation, and application to proteinuria.17.903
Fully automated micro- and nanoscale one- or two-dimensional high-performance liquid chromatography system for liquid chromatography-mass spectrometry compatible with non-volatile salts for ion exchange chromatography17.903
Routine analysis by high precision gas chromatography/mass selective detector/isotope ratio mass spectrometry to 0.1 parts per mil.17.903
Isolation and measurement of urinary 8-iso-prostaglandin F2α by high-performance liquid chromatography and gas chromatography–mass spectrometry17.903
Determination of Buprenorphine in Human Plasma by Gas Chromatography-Positive Ion Chemical Ionization Mass Spectrometry and Liquid Chromatography-Tandem Mass Spectrometry17.903
Sample preparation with an automated robotic workstation for organic acid analysis by gas chromatography-mass spectrometry17.903
Use of dielectric barrier discharge ionization to minimize matrix effects and expand coverage in pesticide residue analysis by liquid chromatography-mass spectrometry.17.903
Analysis of 8-hydroxy-2'-deoxyguanosine in human urine by ultra-high performance liquid chromatography mass spectrometer method17.903
Determination of thiodiglycolic acid in urine with gas chromatography-mass spectrometer17.903
Gas-liquid chromatography system with flame ionization, phosphorus, sulfur, nitrogen, and electron capture detectors operating simultaneously for pesticide residue analysis17.903
Pesticide residue analysis in fresh produce by gas chromatography-tandem mass spectrometry17.903
Broad range analysis of endocrine disruptors and pharmaceuticals using gas chromatography and liquid chromatography tandem mass spectrometry17.903
Off-line solid phase extraction and liquid chromatography-tandem mass spectrometry method for the quantitation of brivaracetam acid metabolites: Method validation and application to in vitro metabolism assays.17.903
Qualitative characterization of SRM 1597a coal tar for polycyclic aromatic hydrocarbons and methyl-substituted derivatives via normal-phase liquid chromatography and gas chromatography/mass spectrometry17.903
A review of analytical procedures for the simultaneous determination of medically important veterinary antibiotics in environmental water: Sample preparation, liquid chromatography, and mass spectrometry17.903
High-throughput multiclass screening method for antibiotic residue analysis in meat using liquid chromatography-tandem mass spectrometry: a novel minimum sample preparation procedure17.903
Gas chromatography and ultra high performance liquid chromatography tandem mass spectrometry methods for the determination of selected endocrine disrupting chemicals in human breast milk after stir-bar sorptive extraction.17.903
Rapid determination of N,N-diethyl-m-toluamide and permethrin in human plasma by gas chromatography-mass spectrometry and pyridostigmine bromide by high-performance liquid chromatography17.903
Clinical Applications of Gas Chromatograph/Mass Spectrometer/Computer Systems17.903
Single solid phase extraction method for the simultaneous analysis of polar and non-polar pesticides in urine samples by gas chromatography and ultra high pressure liquid chromatography coupled to tandem mass spectrometry.17.903
Solid-phase microextraction-gas chromatography-mass spectrometry method validation for the determination of endogenous substances: urinary hexanal and heptanal as lung tumor biomarkers17.903
Method development for the determination of wood preservatives in commercially treated wood using gas chromatography-mass spectrometry17.903
A low thermal mass fast gas chromatograph and its implementation in fast gas chromatography mass spectrometry with supersonic molecular beams17.903
Stir bar sorptive extraction coupled to liquid chromatography-tandem mass spectrometry for the determination of pesticides in water samples: method validation and measurement uncertainty17.903
Assessment of organochlorine pesticide residues in Indian flue-cured tobacco with gas chromatography-single quadrupole mass spectrometer17.903
Use of ammonium formate in QuEChERS for high-throughput analysis of pesticides in food by fast, low-pressure gas chromatography and liquid chromatography tandem mass spectrometry17.903
Determination of serum cholesterol by isotope dilution mass spectrometry with a benchtop capillary gas chromatograph/mass spectrometer: comparison with the National Reference System's Definitive and Reference Methods17.903
Internal quality control, proficiency testing, and the clinical relevance of laboratory testing17.903
Development of an Online Cell-Based Bioactivity Screening Method by Coupling Liquid Chromatography to Flow Cytometry with Parallel Mass Spectrometry.17.903
Fatal poisoning with detajmium: identification of detajmium and its metabolites and artifacts by gas chromatography-mass spectrometry and quantification by high-performance liquid chromatography17.903
Quality by design: a systematic and rapid liquid chromatography and mass spectrometry method for eprosartan mesylate and its related impurities using a superficially porous particle column17.903
Evaluation of Portable Coagulation Analyzer in Comparison with Conventional Hospital Laboratory Instrument with Stratification of International Normalized Ratios by Therapeutic Upper Limit17.903
Quantitative method validation for the analysis of 27 antidepressants and metabolites in plasma with ultraperformance liquid chromatography-tandem mass spectrometry.17.903
Quantification and semiquantification of multiple representative components for the holistic quality control of Allii Macrostemonis Bulbus by ultra high performance liquid chromatography with quadrupole time‐of‐flight tandem mass spectrometry17.903
Method development for the determination of 1,1-dimethylhydrazine by the high-performance liquid chromatography-mass spectrometry technique17.903
Quantitative analysis of maytansinoid (DM1) in human serum by on-line solid phase extraction coupled with liquid chromatography tandem mass spectrometry - Method validation and its application to clinical samples17.903
A simple dual online ultra-high pressure liquid chromatography system (sDO-UHPLC) for high throughput proteome analysis17.903
An approach combining real-time release testing with near-infrared spectroscopy to improve quality control efficiency of Rhizoma paridis.17.903
Silica hydride based phases for small molecule separations using automated liquid chromatography-mass spectrometry method development17.903
Critical role of a pre‐purge setup in the thermal desorption analysis of volatile organic compounds by gas chromatography with mass spectrometry17.903
Mass Spectrometry in Clinical Laboratory: Applications in Therapeutic Drug Monitoring and Toxicology17.903
Simultaneous determination of three organic fluorides in workplace air by portable gas chromatography-mass spectrometer17.903
Results of the second inventory on quality assurance/quality control (QA/QC) and good laboratory practice (GLP) for European Union National Reference Laboratories for residue analyses17.903
Study of sample preparation for quantitative analysis of amino acids in human sweat by liquid chromatography-tandem mass spectrometry.17.903
Generation of sub-ppb level vapor phase mixtures of biogenic volatile organic compounds from liquid phase standards and stepwise characterization of their volatilization properties by thermal desorption-gas chromatography-mass spectrometry17.903
Comparative study of certified reference materials and quality control materials for the quality assurance of blood-lead determination17.903
An on-line high-performance liquid chromatography-diode-array detector-multi-stage mass spectrometry-deoxyribonucleic acid-4',6-diamidino-2-phenylindole-fluorescence detector system for screening the DNA-binding active compounds in Fufang Banbianlia17.903
Analysis of Nitrosamines in Cooked Bacon by QuEChERS Sample Preparation and Gas Chromatography–Tandem Mass Spectrometry with Backflushing17.903
Pesticide residues in chicken eggs – A sample preparation methodology for analysis by gas and liquid chromatography/tandem mass spectrometry17.903
Simultaneous solid phase extraction coupled with liquid chromatography tandem mass spectrometry and gas chromatography tandem mass spectrometry for the highly sensitive determination of 15 endocrine disrupting chemicals in seafood17.903
Identification and Quantitation of Volatile Organic Compounds in Poly(methyl methacrylate) Kitchen Utensils by Headspace Gas Chromatography/Mass Spectrometry17.903
Liquid chromatography-mass spectrometry method development for monitoring stress-related corticosteroids levels in pig saliva17.903
Streamlined sample preparation procedure for determination of perchlorate anion in foods by ion chromatography-tandem mass spectrometry17.903
Determination of coumarin, vanillin, and ethyl vanillin in vanilla extract products: liquid chromatography mass spectrometry method development and validation studies17.903
Investigation to find a suitable reference material for use as an inverse gas chromatography system suitability test17.903
Microextraction with polyethersulfone for bisphenol-A, alkylphenols and hormones determination in water samples by means of gas chromatography-mass spectrometry and liquid chromatography-tandem mass spectrometry analysis17.903
Microflow Liquid Chromatography Coupled to Mass Spectrometry—An Approach to Significantly Increase Sensitivity, Decrease Matrix Effects, and Reduce Organic Solvent Usage in Pesticide Residue Analysis17.903
The off-line combination of high performance liquid chromatography and comprehensive two-dimensional gas chromatography-mass spectrometry: a powerful approach for highly detailed essential oil analysis.17.903
Evaluation of analytical instrumentation. Part XV. Instrumentation for gas chromatography-ion-trap mass spectrometry17.903
Pesticide residue analysis in human tissue by combined gas chromatography--mass spectrometry17.903
Black tea volatiles fingerprinting by comprehensive two-dimensional gas chromatography - Mass spectrometry combined with high concentration capacity sample preparation techniques: Toward a fully automated sensomic assessment17.903
On-line sample preparation using restricted-access media in the analysis of the soy isoflavones, genistein and daidzein, in rat serum using liquid chromatography electrospray mass spectrometry17.903
Identification and quantitation of sulfamethazine metabolites by liquid chromatography and gas chromatography-mass spectrometry17.903
High throughput liquid chromatography-mass spectrometry assessment of the metabolic activity of commercially available hepatocytes from 96-well plates17.903
Unification of the quality assurance systems of public health laboratories conformed to ISO 17025, ISO 15189, and ISO 9000: a major organizational change17.903
Detection and confirmation of milk adulteration with cheese whey using proteomic-like sample preparation and liquid chromatography-electrospray-tandem mass spectrometry analysis.17.903
Identification and measurement of 4-oestren-3,17-dione (19-norandrostenedione) in porcine ovarian follicular fluid using high performance liquid chromatography and capillary gas chromatography-mass spectrometry17.903
Analysis of volatile organic compounds in human saliva by a static sorptive extraction method and gas chromatography-mass spectrometry17.903
A simple sample preparation approach based on hydrophilic solid-phase extraction coupled with liquid chromatography-tandem mass spectrometry for determination of endogenous cytokinins17.903
High-efficiency headspace sampling of volatile organic compounds in explosives using capillary microextraction of volatiles (CMV) coupled to gas chromatography–mass spectrometry (GC-MS)17.903
Determination of stilbenes and resorcylic acid lactones in bovine, porcine and poultry muscle tissue by liquid chromatography–negative ion electrospray mass spectrometry and QuEChERS for sample preparation17.903
Rapid Screening of Volatile Organic Compounds from Aframomum danielli Seeds Using Headspace Solid Phase Microextraction Coupled to Gas Chromatography Mass Spectrometry.17.903
Mass Spectrometry Data Collection in Parallel at Multiple Core Facilities Operating TripleTOF 5600 and Orbitrap Elite/Velos Pro/Q Exactive Mass Spectrometers17.903
Toward Broader Inclusion of Liquid Chromatography-Mass Spectrometry in the Clinical Laboratory17.903
Compact FTICR Mass Spectrometry for Real Time Monitoring of Volatile Organic Compounds.17.903
Conversion of tibolone to 7alpha-methyl-ethinyl estradiol using gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry: interpretation and clinical implications17.903
Multiresidue Method for Quantification of Sulfonamides and Trimethoprim in Tilapia Fillet by Liquid Chromatography Coupled to Quadrupole Time-of-Flight Mass Spectrometry Using QuEChERS for Sample Preparation.17.903
The Utility of Next-Generation Sequencing for Primary Immunodeficiency Disorders: Experience from a Clinical Diagnostic Laboratory.17.903
Guidelines and considerations for the use of system suitability and quality control samples in mass spectrometry assays applied in untargeted clinical metabolomic studies17.903
Sample preparation and liquid chromatography mass spectrometry analysis of alkylphenolic compounds and steroid sex hormones in sediments17.903
Proton-transfer-reaction mass spectrometry (PTR–MS): on-line monitoring of volatile organic compounds at pptv levels17.903
Headspace solid-phase microextraction with gas chromatography and mass spectrometry in the investigation of volatile organic compounds in an ectomycorrhizae synthesis system17.903
Reversed-phase gradient high-performance liquid chromatography of nitramine munitions and characterization of munitions process samples by gas chromatography-mass spectrometry17.903
Procedures for large-scale metabolic profiling of serum and plasma using gas chromatography and liquid chromatography coupled to mass spectrometry17.903
Bisphenol A determination in baby bottles by chemiluminescence enzyme-linked immunosorbent assay, lateral flow immunoassay and liquid chromatography tandem mass spectrometry17.903
Structure assisted impurity profiling for rapid method development in liquid chromatography17.903
Determination of 24 personal care products in fish bile using hybrid solvent precipitation and dispersive solid phase extraction cleanup with ultrahigh performance liquid chromatography-tandem mass spectrometry and gas chromatography-mass spectrometr17.903
Analysis of Triacylglycerols in Castor Oil Through Liquid Chromatography-Mass Spectrometry Based on Fourier Transform-Ion Cyclotron Resonance-Mass Spectrometry and Gas Chromatography-Mass Spectrometry17.903
A stable method for routine analysis of oxylipins from dried blood spots using ultra-high performance liquid chromatography-tandem mass spectrometry17.903
Modern Sample Preparation Techniques for Gas Chromatography-Mass Spectrometry Analysis of Environmental Markers of Chemical Warfare Agents Use17.903
A multiresidue method for the determination of 107 pesticides in cabbage and radish using QuEChERS sample preparation method and gas chromatography mass spectrometry17.903
A multiresidue method for the determination of 109 pesticides in rice using the Quick Easy Cheap Effective Rugged and Safe (QuEChERS) sample preparation method and gas chromatography/mass spectrometry with temperature control and vacuum concentration17.903
Multicomponent analysis of volatile organic compounds in water by automated purge and trap coupled to gas chromatography–mass spectrometry17.903
Comparative studies of the leachate of an industrial landfill by gas chromatography–mass spectrometry, liquid chromatography–nuclear magnetic resonance and liquid chromatography–mass spectrometry17.903
Automated sample preparation with extraction columns followed by liquid chromatography-ionspray mass spectrometry interferences, determination and degradation of polar organophosphorus pesticides in water samples17.903
Analysis of volatile human urinary metabolome by solid-phase microextraction in combination with gas chromatography–mass spectrometry for biomarker discovery: Application in a pilot study to discriminate patients with renal cell carcinoma17.903
Comment on: “Utilizing Artificial Neural Networks in MATLAB to Achieve Parts-Per-Billion Mass Measurement Accuracy with a Fourier Transform Ion Cyclotron Resonance Mass Spectrometer” by D. Keith Williams Jr., Alexander L. Kovach, David C. Muddima17.903
Reply to the Comment on: “Utilizing Artificial Neural Networks in MATLAB to Achieve Parts-Per-Billion Mass Measurement Accuracy with a Fourier Transform Ion Cyclotron Resonance Mass Spectrometer” by D. Keith Williams Jr., Alexander L. Kovach, Dav17.903
Method validation for simultaneous determination of atropine, pralidoxime and 12 organophosphorus compounds in blood samples by means of high-performance liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS)17.903
A critical evaluation of the use of gas chromatography- and high performance liquid chromatography-mass spectrometry techniques for the analysis of microbial metabolites in human urine after consumption of orange juice17.903
Analytical method development for the determination of four biocides used in antifouling paints in estuarine waters and sediments by gas chromatography-mass spectrometry17.903
A liquid chromatography–electrospray ionization-mass spectrometry method for quantification of cyclotides in plants avoiding sorption during sample preparation17.903
The Detailed Comparison of Cell Death Detected by Annexin V-PI Counterstain Using Fluorescence Microscope, Flow Cytometry and Automated Cell Counter in Mammalian and Microalgae Cells17.903
Simultaneous analysis of several synthetic cannabinoids, THC, CBD and CBN, in hair by ultra-high performance liquid chromatography tandem mass spectrometry. Method validation and application to real samples17.903
An improved, automated whole air sampler and gas chromatography mass spectrometry analysis system for volatile organic compounds in the atmosphere17.903
Development of an In Situ Thermal Desorption Gas Chromatography Instrument for Quantifying Atmospheric Semi-Volatile Organic Compounds17.903
Field measurements of biogenic volatile organic compounds in the atmosphere by dynamic solid-phase microextraction and portable gas chromatography-mass spectrometry17.903
High-throughput screening and quantitative analysis method of 112 pharmaceutical and personal care products in water based on ultra-high performance liquid chromatography with high-resolution mass spectrometry17.903
SAMPLE PREPARATION TECHNIQUES FOR THE ANALYSIS OF MATERIALS FROM CONSERVATION LABORATORIES BY SPECTROSCOPIC METHODS: INFRARED, ULTRAVIOLET, VISIBLE, ATOMIC ABSORPTION SPECTROSCOPIES, AND GAS CHROMATOGRAPHY17.903
Analysis of Volatile Organic Compounds fromDendranthema indicumvar.aromaticumby Headspace Gas Chromatography-Mass Spectrometry and Accurate Mass Measurement17.903
Validation, Uncertainty, and Quality Control of Qualitative Analysis of Tear Gas Weapons by Gas Chromatography-Mass Spectrometry17.903
A Comparison Of Measurement of Homovanillic Acid in Brain Tissue by Gas Chromatography Mass Spectrometry and Liquid Chromatography with Electrochemical Detection17.903
Preliminary Characterization of the Composition and Phenolic Fragmentation of Olive Byproducts by Gas Chromatography–Mass Spectrometry and High-Performance Liquid Chromatography–Tandem Mass Spectrometry17.903
Determination of aflatoxins in hazelnuts by various sample preparation methods and liquid chromatography–tandem mass spectrometry17.903
Analysis of 19-norandrosterone in human urine by gas chromatography–isotope-dilution mass spectrometry: method adopted by LGC for participation in the Comité Consultatif pour la Quantité de Matière (CCQM) Pilot Study P6817.903
Evaluation of gas chromatography coupled with low pressure plasma source mass spectrometry for the screening of volatile organic compounds in food17.903
Proton-transfer-reaction mass spectrometry (PTR-MS): on-line monitoring of volatile organic compounds at volume mixing ratios of a few pptv17.903
Analysis of Thermally Produced Compounds in Foods by Thermospray Liquid Chromatography-Mass Spectrometry and Gas Chromatography-Mass Spectrometry17.903
Improved sample preparation and quality control for the characterisation of titanium dioxide nanoparticles in sunscreens using flow field flow fractionation on-line with inductively coupled plasma mass spectrometry17.903
Development of a Combined Heart-Cut and Comprehensive Two-Dimensional Gas Chromatography System to Extend the Carbon Range of Volatile Organic Compounds Analysis in a Single Instrument17.903
Lab-simulated downhole leaching of formaldehyde from proppants by high performance liquid chromatography (HPLC), headspace gas chromatography-vacuum ultraviolet (HS-GC-VUV) spectroscopy, and headspace gas chromatography-mass spectrometry (HS-GC-MS)17.903
Method Development and Validation of Darifenacin in Rat Plasma by Liquid Chromatography-Tandem Mass Spectrometry: Application to a Pharmacokinetic Study17.903
Determination of Chlorpromazine, Haloperidol, Levomepromazine, Olanzapine, Risperidone, and Sulpiride in Human Plasma by Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)17.903
Investigation of pharmaceuticals and illicit drugs in waters by liquid chromatography-high-resolution mass spectrometry17.903
Optimization of sample preparation for sensitive determination of DDT metabolites in food by gas chromatography – mass spectrometry17.903
Analysis of Ochratoxin A in Coffee by Solid-Phase Cleanup and Narrow-Bore Liquid Chromatography−Fluorescence Detector−Mass Spectrometry17.903
Determination of trimethylselenonium iodide, selenomethionine, selenious acid, and selenic acid using high-performance liquid chromatography with on-line detection by inductively coupled plasma mass spectrometry or flame atomic absorption spectrometr17.903
Minor Volatile Compounds in White Wines from Canary Islands, Madeira, and Pico (Azores) by Headspace Solid-Phase Microextraction-Gas Chromatography-Mass Spectrometry: A Qualitative Study17.903
Characterization of Arsenic Biotransformation Products from an Open Anaerobic Degradation of Fucus distichus by Hydride Generation Gas Chromatography Atomic Absorption Spectrometry and High Performance Liquid Chromatography Inductively Coupled Plasma17.903
Quantitative Analysis and Fingerprint Profiles for Quality Control of Fructus Schisandrae by Gas Chromatography: Mass Spectrometry17.903
Solid-phase micro-extraction–gas chromatography–(tandem) mass spectrometry as a tool for pesticide residue analysis in water samples at high sensitivity and selectivity with confirmation capabilities17.903
Headspace-solid phase microextraction coupled to gas chromatography–combustion-isotope ratio mass spectrometer and to enantioselective gas chromatography for strawberry flavoured food quality control17.903
Determination of selected non-steroidal anti-inflammatory drugs in wastewater by gas chromatography-mass spectrometry17.903
Analysis of semi-volatile organic compounds in indoor suspended particulate matter by thermal desorption coupled with gas chromatography/mass spectrometry17.903
ASTM C121017.903
Chemical Profile and Biological Activities of Two Edible Plants: Chemical Investigation and Quantitative Analysis Using Liquid Chromatography Tandem Mass Spectrometry and Gas Chromatography Mass Spectrometry17.903
Fatty Acids Analysis Using Gas Chromatography-Mass Spectrometer Detector (GC/MSD) - Method Validation Based on Berry Seed Extract Samples17.903
Quality by design compliant strategy for the development of a liquid chromatography–tandem mass spectrometry method for the determination of selected polyphenols in Diospyros kaki17.903
Comparison of sample preparation approaches for phospholipids profiling in human serum by liquid chromatography–tandem mass spectrometry17.903
Study of sample preparation for metabolomic profiling of human saliva by liquid chromatography–time of flight/mass spectrometry17.903
Thermospray liquid chromatography—mass spectrometry with a quadrupole ion trap mass spectrometer17.903
Characterization of the designer drug bk-2C-B (2-amino-1-(bromo-dimethoxyphenyl)ethan-1-one) by gas chromatography/mass spectrometry without and with derivatization with 2,2,2-trichloroethyl chloroformate, liquid chromatography/high-resolution mass s17.903
Determination of Nanogram per Liter Concentrations of Volatile Organic Compounds in Water by Capillary Gas Chromatography and Selected Ion Monitoring Mass Spectrometry and Its Use To Define Groundwater Flow Directions in Edwards Aquifer, Texas17.903
Determination of heat purgeable and ambient purgeable volatile organic compounds in water by gas chromatography/mass spectrometry17.903
Response surface optimisation applied to a headspace-solid phase microextraction-gas chromatography-mass spectrometry method for the analysis of volatile organic compounds in water matrices17.903
Laser scanning confocal microscopy versus scanning electron microscopy for characterization of polymer morphology: Sample preparation drastically distorts morphologies of poly(2-hydroxyethyl methacrylate)-based hydrogels17.903
Instrumentation for 7-day continuous cycle monitoring of metals with automated on-line sample preparation, high-performance liquid chromatography, and electrochemical detection17.903
Gas Chromatography–Mass Spectrometry Method for Determination of Biogenic Volatile Organic Compounds Emitted by Plants17.903
A modified commercial gas chromatograph for the continuous monitoring of the thermal degradation of sunflower oil and off-line solid phase extraction gas–chromatography–mass spectrometry characterization of released volatiles17.903
High concentration capacity sample preparation techniques to improve the informative potential of two-dimensional comprehensive gas chromatography–mass spectrometry: Application to sensomics17.903
Identification, quantitation and method validation for the analysis of suspected allergens in fragrances by comprehensive two-dimensional gas chromatography coupled with quadrupole mass spectrometry and with flame ionization detection17.903
Evaluation of a Rapid-Scanning Quadrupole Mass Spectrometer in an Apolar × Ionic-Liquid Comprehensive Two-Dimensional Gas Chromatography System17.903
On-line high performance liquid chromatography coupled with high resolution gas chromatography and mass spectrometry (HPLC-HRGC-MS) for the analysis of complex mixtures containing highly volatile compounds17.903
Variability of matrix effects in liquid and gas chromatography–mass spectrometry analysis of pesticide residues after QuEChERS sample preparation of different food crops17.903
Simultaneous determination of eight biogenic amines in fish by liquid chromatography with fluorescence detector and tandem mass spectrometry17.903
Determination of a Wide Range of Volatile Organic Compounds in Ambient Air Using Multisorbent Adsorption/Thermal Desorption and Gas Chromatography/Mass Spectrometry17.903
Direct coupling of a nano-high-performance liquid chromatography column to an ion trap designed for a gas chromatography/mass spectrometry system17.903
Simultaneous Determination of Creatinine and Creatine in Human Serum by Double-Spike Isotope Dilution Liquid Chromatography–Tandem Mass Spectrometry (LC-MS/MS) and Gas Chromatography–Mass Spectrometry (GC-MS)17.903
Atmospheric pressure ionization mass spectrometry. Corona discharge ion source for use in a liquid chromatograph-mass spectrometer-computer analytical system17.903
Trends in quality in the analytical laboratory. II. Analytical method validation and quality assurance17.903
Evaluation of triclosan and biphenylol in marine sediments and urban wastewaters by pressurized liquid extraction and solid phase extraction followed by gas chromatography mass spectrometry and liquid chromatography mass spectrometry17.903
Solid-phase extraction and high-performance liquid chromatography mass spectrometry analysis of nitrosamines in treated drinking water and wastewater17.903
Analysis of flavonoids in tablets and urine by gas chromatography/mass spectrometry and liquid chromatography/mass spectrometry17.903
Seasonal changes in metabolic profiles of galls and leaves of Rhus chinensis using gas chromatography mass spectrometry and liquid chromatography quadrupole time-of-flight mass spectrometry17.903
Steroid-estrogen determination in sediment and sewage sludge: a critique of sample preparation and chromatographic/mass spectrometry considerations, incorporating a case study in method development17.903
13C- and 15N-Isotope Analysis of Desphenylchloridazon by Liquid Chromatography–Isotope-Ratio Mass Spectrometry and Derivatization Gas Chromatography–Isotope-Ratio Mass Spectrometry17.903
Headspace solid-phase microextraction–gas chromatography–mass spectrometry applied to quality control in multilayer-packaging manufacture17.903
Molecular Characterization of Phospholipids by High-Performance Liquid Chromatography Combined with an Evaporative Light Scattering Detector, High-Performance Liquid Chromatography Combined with Mass Spectrometry, and Gas Chromatography Combined with17.903
Determination of volatile organic compounds in industrial wastewater plant air emissions by multi-sorbent adsorption and thermal desorption-gas chromatography-mass spectrometry17.903
Study for the Liquid Chromatography-mass Spectrometry (LC-MS/MS) Assessment of Oxidative DNA Damage in Relation to Antioxidant Usage17.903
Impurity profiling of trinitrotoluene using vacuum-outlet gas chromatography–mass spectrometry17.903
Evaluation of comprehensive on-line liquid chromatography thermally assisted hydrolysis and methylation-gas chromatography-mass spectrometry for characterization of sulfonated lignins17.903
Graphene Oxide Tablets for Sample Preparation of Drugs in Biological Fluids: Determination of Omeprazole in Human Saliva for Liquid Chromatography Tandem Mass Spectrometry17.903
Detection of Volatile Organic Compounds (VOCs) in Urine via Gas Chromatography-Mass Spectrometry QTOF to Differentiate Between Localized and Metastatic Models of Breast Cancer17.903
Automated on-line column-switching high performance liquid chromatography isotope dilution tandem mass spectrometry method for the quantification of bisphenol A, bisphenol F, bisphenol S, and 11 other phenols in urine17.903
Determination of volatile organic compounds in drinking water by purge and trap gas chromatography/mass spectrometry17.903
Quantification of 31 volatile organic compounds in whole blood using solid-phase microextraction and gas chromatography-mass spectrometry17.903
Importance of enhanced mass resolution in removing interferences when measuring volatile organic compounds in human blood by using purge-and-trap gas chromatography/mass spectrometry17.903
Implementation of the laboratory quality management system (ISO 15189): Experience from Bugando Medical Centre Clinical Laboratory - Mwanza, Tanzania17.903
Assessment of cotinine in urine and saliva of smokers, passive smokers, and nonsmokers: Method validation using liquid chromatography and mass spectrometry17.903
A direct comparison of liquid chromatography-mass spectrometry with clinical routine testing immunoassay methods for the detection and quantification of thyroid hormones in blood serum17.903
Determination of microbial volatile organic compounds from Staphylococcus pasteuri against Tuber borchii using solid-phase microextraction and gas chromatography/ion trap mass spectrometry17.903
Simulation of Moderator for Improving Measurement Accuracy of Elements in PGNAA Coal Online Measurement System17.903
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; determination of 86 volatile organic compounds in water by gas chromatography/mass spectrometry, including detections less than reporting limits17.903
Application of high performance liquid chromatography and gas chromatography—Mass spectrometry to analysis of prostaglandin E1 in biological media17.903
Separation of fresh tobacco smoke on a packed polar gas chromatographic column prior to on-line analysis by gas chromatography-mass spectrometry using a non-polar capillary column17.903
Steroids and hypertension. 1--Gas-liquid chromatography and gas chromatography mass spectrometry of 3,15- and 3, 16-dihydroxy-17-oxosteroids17.903
Determination of therapeutic and toxic concentrations of doxepin and loxapine using gas—liquid chromatography with a nitrogen-sensitive detector, and gas chromatography—mass spectrometry of loxapine17.903
Simultaneous microdetermination of capsaicin and its four analogues by using high-performance liquid chromatography and gas chromatography—mass spectrometry17.903
Liquid chromatography and gas chromatography/mass spectrometry of lipoxygenase and cyclooxygenase products from platelets and endothelial cells17.903
Determination of Residual Methamidophos in Various Food by Solid Phase Extraction with Gas Chromatography,Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry and its Effect Mechanism Study17.903
Development and Application of A Membrane Inlet-Single Photon Ionization-Mass Spectrometer for On-line Analysis Volatile Organic Compounds in Water17.903
Analysis of Volatile Organic Compounds in Printing and Plastic Packaging Materials of Instant Noodles by Headspace Gas Chromatography-Mass Spectrometry17.903
Proton Transfer Reaction-Mass Spectrometry for On-line Analysis of Trace Volatile Organic Compounds17.903
Investigation of Potential Markers for Quality Control of Corn Steep Liquor in Penicillin Fermentation by Gas Chromatography-Mass Spectrometry17.903
High Throughput Screening of Tranquilizers in Dairy Products Using Ultra Performance Liquid Chromatography Coupled to High Resolution Time-of-Flight Mass Spectrometry17.903
Simultaneous Determination of 11 Volatile Organic Compounds Metabolites in Human Urine Using High Performance Liquid Chromatography Coupled with Electrospray Ionization Tandem Mass Spectrometry17.903
Online Liquid Chromatography-Gas Chromatography-Mass Spectrometry for Highly Sensitive Determination of 4-( Methylnitrosamino)-1-( 3-pyridyl)-1-butanone in Mainstream Cigarette Smoke17.903
Determination of 18 Brominated Flame Retardants in Dairy Product by Gel Permeation Chromatography-Solid Phase Extraction Coupled to Gas Chromatography-Mass Spectrometry and High Performance Liquid Chromatography-Tandem Mass Spectrometry17.903
High Throughput Screening of 86 Kinds of Glucocorticoids in Cosmetics Using QuEChERS and Isotope Dilution-Liquid Chromatography Copuled to High Resolution Time-of-Flight Mass Spectrometry17.903
Drug analysis by continuously monitored liquid chromatography/mass spectrometry with a quadrupole mass spectrometer17.903
Determination of an antipsychotic agent (ICI 204,636) and its 7-hydroxy metabolite in human plasma by high-performance liquid chromatography and gas chromatography-mass spectrometry17.903
A descriptive appreciation of modern laboratory instrumentation used for medicolegal purposes: with special emphasis on gas chromatography and mass spectrometry17.903
International Federation of Clinical Chemistry. Provisional recommendation on quality control in clinical chemistry. Part 6. Quality requirements from the point of view of health care17.903
Determination of nalbuphine using high-performance liquid chromatography coupled to photodiode-array detection and gas chromatography coupled to mass spectrometry17.903
Determination of 15-keto-13,14-dihydro-metabolites of PGE2 and PGF2α in plasma using high performance liquid chromatography and gas chromatography-mass spectrometry17.903
Analysis of benzoylecgonine in urine by high-performance liquid chromatography and gas chromatography-mass spectrometry17.903
Simultaneous analysis of flunixin, naproxen, ethacrynic acid, indomethacin, phenylbutazone, mefenamic acid and thiosalicylic acid in plasma and urine by high-performance liquid chromatography and gas chromatography-mass spectrometry17.903
Identification of aromatic moieties and mycosamine in antifungal heptaenes with high-performance liquid chromatography, high-performance liquid chromatography-mass spectrometry and gas chromatography-mass spectrometry17.903
Identification of a benzhydrolic metabolite of ketoprofen in horses by gas chromatography-mass spectrometry and high-performance liquid chromatography17.903
Determination and identification of amiloride in human urine by high-performance liquid chromatography and gas chromatography-mass spectrometry17.903
Detection of oxilofrine in plasma and urine by high-performance liquid chromatography with electrochemical detection and comparison with gas chromatography-mass spectrometry17.903
Complex mixture analysis based on gas chromatography-mass spectrometry with time array detection using a beam deflection time-of-flight mass spectrometer17.903
Solid-phase extraction techniques for the determination of glycopyrrolate from equine urine by liquid chromatography-tandem mass spectrometry and gas chromatography-mass spectrometry17.903
Analysis of sterol esters from alga and yeast by high-performance liquid chromatography and capillary gas chromatography-mass spectrometry with chemical ionization17.903
An in vivo mass spectrometer system for the continuous monitoring of PO2 and PCO217.903
Assessment of the biotransformation of the cardiotonic agent piroximone by high-performance liquid chromatography and gas chromatography-mass spectrometry17.903
Preparative separation of sphingolipids and of individual molecular species by high-performance liquid chromatography and their identification by gas chromatography-mass spectrometry17.903
Determination of dexamethasone in bovine tissues by coupled-column normal-phase high-performance liquid chromatography and capillary gas chromatography-mass spectrometry17.903
General Scandinavian recommendations on quality control and quality assurance in clinical chemistry17.903
Liquid chromatography-mass spectrometry. II. Continuous monitoring17.903
Characterization of polar substituted polycyclic aromatic compounds using high-resolution gas chromatography/mass spectrometry negative ion chemical ionization and positive and negative ion thermospray liquid chromatography/mass spectrometry17.903
Automated sample preparation on-line with thermospray high-performance liquid chromatography-mass spectrometry for the determination of drugs in plasma17.903
Determination of (+)- and (-)-nilvadipine in human plasma using chiral stationary-phase liquid chromatography and gas chromatography-mass spectrometry, and a preliminary pharmacokinetic study in humans17.903