Published in Anal Chem on July 01, 2003
The simultaneous assay of tenofovir and emtricitabine in plasma using LC/MS/MS and isotopically labeled internal standards. J Chromatogr B Analyt Technol Biomed Life Sci (2009) 2.19
Determination of nucleoside analog mono-, di-, and tri-phosphates in cellular matrix by solid phase extraction and ultra-sensitive LC-MS/MS detection. J Pharm Biomed Anal (2011) 2.10
Measurement of thyroglobulin by liquid chromatography-tandem mass spectrometry in serum and plasma in the presence of antithyroglobulin autoantibodies. Clin Chem (2013) 1.96
NHANES monitoring of serum 25-hydroxyvitamin D: a roundtable summary. J Nutr (2010) 1.74
Cannabinoids in exhaled breath following controlled administration of smoked cannabis. Clin Chem (2013) 1.67
Mycosporine-like amino acids: relevant secondary metabolites. Chemical and ecological aspects. Mar Drugs (2011) 1.41
Analysis of the flame retardant metabolites bis(1,3-dichloro-2-propyl) phosphate (BDCPP) and diphenyl phosphate (DPP) in urine using liquid chromatography-tandem mass spectrometry. Anal Bioanal Chem (2011) 1.40
Long-term monitoring of opioid, sedative and anti-inflammatory drugs in horse hair using a selective and sensitive LC-MS/MS procedure. BMC Vet Res (2016) 1.40
An LC-IMS-MS platform providing increased dynamic range for high-throughput proteomic studies. J Proteome Res (2010) 1.37
LC-MS/MS in the Clinical Laboratory - Where to From Here? Clin Biochem Rev (2011) 1.36
Population pharmacokinetics of artemether, lumefantrine, and their respective metabolites in Papua New Guinean children with uncomplicated malaria. Antimicrob Agents Chemother (2011) 1.32
Novel LC-ESI/MS/MS(n) method for the characterization and quantification of 2'-deoxyguanosine adducts of the dietary carcinogen 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine by 2-D linear quadrupole ion trap mass spectrometry. Chem Res Toxicol (2007) 1.30
Lipid and lipid mediator profiling of human synovial fluid in rheumatoid arthritis patients by means of LC-MS/MS. Biochim Biophys Acta (2012) 1.27
Simultaneous determination of ABT-888, a poly (ADP-ribose) polymerase inhibitor, and its metabolite in human plasma by liquid chromatography/tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci (2009) 1.14
Multiplex ultra-performance liquid chromatography-tandem mass spectrometry method for simultaneous quantification in human plasma of fluconazole, itraconazole, hydroxyitraconazole, posaconazole, voriconazole, voriconazole-N-oxide, anidulafungin, and caspofungin. Antimicrob Agents Chemother (2010) 1.11
Quantitation of tenofovir and emtricitabine in dried blood spots (DBS) with LC-MS/MS. J Pharm Biomed Anal (2013) 1.11
A liquid chromatography tandem mass spectrometry method for the simultaneous quantification of 20 drugs of abuse and metabolites in human meconium. Anal Bioanal Chem (2009) 1.05
High information throughput analysis of nucleotides and their isotopically enriched isotopologues by direct-infusion FTICR-MS. Metabolomics (2011) 1.05
Quantification of nicotine, cotinine, trans-3'-hydroxycotinine, nornicotine and norcotinine in human meconium by liquid chromatography/tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci (2008) 1.03
Direct quantification of cannabinoids and cannabinoid glucuronides in whole blood by liquid chromatography-tandem mass spectrometry. Anal Bioanal Chem (2011) 1.03
A reversed-phase capillary ultra-performance liquid chromatography-mass spectrometry (UPLC-MS) method for comprehensive top-down/bottom-up lipid profiling. Anal Bioanal Chem (2012) 1.03
Qualitative confirmation of 9 synthetic cannabinoids and 20 metabolites in human urine using LC-MS/MS and library search. Anal Chem (2013) 1.01
Rapid, simultaneous quantitation of mono and dioxygenated metabolites of arachidonic acid in human CSF and rat brain. J Chromatogr B Analyt Technol Biomed Life Sci (2009) 1.01
Principles and applications of liquid chromatography-mass spectrometry in clinical biochemistry. Clin Biochem Rev (2009) 1.01
Fate of organohalogens in US wastewater treatment plants and estimated chemical releases to soils nationwide from biosolids recycling. J Environ Monit (2009) 1.00
Matrix effects break the LC behavior rule for analytes in LC-MS/MS analysis of biological samples. Exp Biol Med (Maywood) (2014) 0.99
Pharmacokinetic comparison of two piperaquine-containing artemisinin combination therapies in Papua New Guinean children with uncomplicated malaria. Antimicrob Agents Chemother (2012) 0.98
Artemisinin-naphthoquine combination therapy for uncomplicated pediatric malaria: a pharmacokinetic study. Antimicrob Agents Chemother (2012) 0.98
Simultaneous and sensitive measurement of nicotine, cotinine, trans-3'-hydroxycotinine and norcotinine in human plasma by liquid chromatography-tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci (2009) 0.98
Simultaneous quantification of free and glucuronidated cannabinoids in human urine by liquid chromatography tandem mass spectrometry. Clin Chim Acta (2012) 0.97
Microanalysis of beta-lactam antibiotics and vancomycin in plasma for pharmacokinetic studies in neonates. Antimicrob Agents Chemother (2008) 0.97
Validation of a LC-MS/MS method for quantifying urinary nicotine, six nicotine metabolites and the minor tobacco alkaloids--anatabine and anabasine--in smokers' urine. PLoS One (2014) 0.93
Optimization and validation of a liquid chromatography-tandem mass spectrometry method for the simultaneous quantification of nicotine, cotinine, trans-3'-hydroxycotinine and norcotinine in human oral fluid. Anal Bioanal Chem (2009) 0.91
A simple LC-MS/MS method for determination of kynurenine and tryptophan concentrations in human plasma from HIV-infected patients. Bioanalysis (2013) 0.91
Determination of lumefantrine in small-volume human plasma by LC-MS/MS: using a deuterated lumefantrine to overcome matrix effect and ionization saturation. Bioanalysis (2012) 0.91
From models to crop species: caveats and solutions for translational metabolomics. Front Plant Sci (2011) 0.91
Conventional liquid chromatography/triple quadrupole mass spectrometry based metabolite identification and semi-quantitative estimation approach in the investigation of in vitro dabigatran etexilate metabolism. Anal Bioanal Chem (2012) 0.91
Simultaneous quantification of 20 synthetic cannabinoids and 21 metabolites, and semi-quantification of 12 alkyl hydroxy metabolites in human urine by liquid chromatography-tandem mass spectrometry. J Chromatogr A (2013) 0.91
Quantitative determination of taxine B in body fluids by LC-MS-MS. Int J Legal Med (2006) 0.90
Applications of mass spectrometry for quantitative protein analysis in formalin-fixed paraffin-embedded tissues. Proteomics (2014) 0.89
HPLC-electrospray mass spectrometric assay for the determination of (R,R)-fenoterol in rat plasma. J Pharm Biomed Anal (2008) 0.89
Development and validation of a liquid chromatography-atmospheric pressure chemical ionization-tandem mass spectrometry method for simultaneous analysis of 10 amphetamine-, methamphetamine- and 3,4-methylenedioxymethamphetamine-related (MDMA) analytes in human meconium. J Chromatogr B Analyt Technol Biomed Life Sci (2008) 0.89
Validated LC-MS/MS method for the determination of maackiain and its sulfate and glucuronide in blood: application to pharmacokinetic and disposition studies. J Pharm Biomed Anal (2011) 0.89
Direct assay of enzymes in heme biosynthesis for the detection of porphyrias by tandem mass spectrometry. Uroporphyrinogen decarboxylase and coproporphyrinogen III oxidase. Anal Chem (2008) 0.88
3,4-Methylenedioxypyrovalerone (MDPV) and metabolites quantification in human and rat plasma by liquid chromatography-high resolution mass spectrometry. Anal Chim Acta (2014) 0.88
Development and validation of a dried blood spot assay for the quantification of ribavirin using liquid chromatography coupled to mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci (2013) 0.88
Meningeal inflammation increases artemether concentrations in cerebrospinal fluid in Papua New Guinean children treated with intramuscular artemether. Antimicrob Agents Chemother (2011) 0.88
Disposition of ketamine and norketamine in hair after a single dose. Int J Legal Med (2010) 0.87
Stability of heroin, 6-monoacetylmorphine, and morphine in biological samples and validation of an LC-MS assay for delayed analyses of pharmacokinetic samples in rats. J Pharm Biomed Anal (2012) 0.86
Determination of AM-2201 metabolites in urine and comparison with JWH-018 abuse. Int J Legal Med (2013) 0.86
HybridSPE: A novel technique to reduce phospholipid-based matrix effect in LC-ESI-MS Bioanalysis. J Pharm Bioallied Sci (2012) 0.85
Multisteroid LC-MS/MS assay for glucocorticoids and androgens, and its application in Addison's disease. Endocr Connect (2013) 0.85
Development and validation of LC-HRMS and GC-NICI-MS methods for stereoselective determination of MDMA and its phase I and II metabolites in human urine. J Mass Spectrom (2011) 0.85
Separation of dansylated 17β-estradiol, 17α-estradiol, and estrone on a single HPLC column for simultaneous quantitation by LC-MS/MS. Anal Bioanal Chem (2013) 0.85
Rapid evaluation of 25 key sphingolipids and phosphosphingolipids in human plasma by LC-MS/MS. Anal Bioanal Chem (2015) 0.85
Simultaneous quantification of nicotine, opioids, cocaine, and metabolites in human fetal postmortem brain by liquid chromatography tandem mass spectrometry. Anal Bioanal Chem (2009) 0.85
Multiplex liquid chromatography-tandem mass spectrometry assay for simultaneous therapeutic drug monitoring of ribavirin, boceprevir, and telaprevir. Antimicrob Agents Chemother (2013) 0.84
Development and validation of the first liquid chromatography-tandem mass spectrometry assay for simultaneous quantification of multiple antiretrovirals in meconium. Anal Chem (2013) 0.84
Simultaneous quantification of nicotine, cotinine, trans-3'-hydroxycotinine, norcotinine and mecamylamine in human urine by liquid chromatography-tandem mass spectrometry. Clin Chim Acta (2012) 0.84
Simultaneous HPLC-MS-MS quantification of 8-iso-PGF(2alpha) and 8,12-iso-iPF(2alpha) in CSF and brain tissue samples with on-line cleanup. J Chromatogr B Analyt Technol Biomed Life Sci (2010) 0.84
Prenatal exposure to escitalopram and/or stress in rats: a prenatal stress model of maternal depression and its treatment. Psychopharmacology (Berl) (2013) 0.84
An LC-MS assay for the screening of cardiovascular medications in human samples. J Chromatogr B Analyt Technol Biomed Life Sci (2013) 0.83
A dual-column solid phase extraction strategy for online collection and preparation of continuously flowing effluent streams for mass spectrometry. Anal Chem (2012) 0.83
Quantification of cell-associated atazanavir, darunavir, lopinavir, ritonavir, and efavirenz concentrations in human mononuclear cell extracts. Antimicrob Agents Chemother (2014) 0.83
LC-MS assay for quantitative determination of cardio glycoside in human blood samples. Int J Legal Med (2007) 0.83
Development and validation of a UPLC-MS/MS method for the simultaneous determination of paritaprevir and ritonavir in rat liver. Bioanalysis (2016) 0.83
Biological Matrix Effects in Quantitative Tandem Mass Spectrometry-Based Analytical Methods: Advancing Biomonitoring. Crit Rev Anal Chem (2016) 0.82
Determination of the antimalarial drug piperaquine in small volume pediatric plasma samples by LC-MS/MS. Bioanalysis (2014) 0.82
Absolute quantification of UGT1A1 in various tissues and cell lines using isotope label-free UPLC-MS/MS method determines its turnover number and correlates with its glucuronidation activities. J Pharm Biomed Anal (2013) 0.82
A LC-MS/MS method for the specific, sensitive, and simultaneous quantification of 5-aminolevulinic acid and porphobilinogen. J Chromatogr B Analyt Technol Biomed Life Sci (2011) 0.82
Simple enrichment and analysis of plasma lysophosphatidic acids. Analyst (2013) 0.82
Two-dimensional heart-cut LC-LC improves accuracy of exact-matching double isotope dilution mass spectrometry measurements of aflatoxin B1 in cereal-based baby food, maize, and maize-based feed. Anal Bioanal Chem (2015) 0.81
Development of a Rapid LC-MS/MS Method for the Determination of Emerging Fusarium mycotoxins Enniatins and Beauvericin in Human Biological Fluids. Toxins (Basel) (2015) 0.81
Quantification of imatinib in human serum: validation of a high-performance liquid chromatography-mass spectrometry method for therapeutic drug monitoring and pharmacokinetic assays. Drug Des Devel Ther (2013) 0.81
Clinical assay of four thiol amino acid redox couples by LC-MS/MS: utility in thalassemia. J Chromatogr B Analyt Technol Biomed Life Sci (2009) 0.81
Validation of a sensitive LC/MS/MS method for the determination of zidovudine and lamivudine in human plasma. Biomed Chromatogr (2011) 0.81
Validation of a novel method to identify in utero ethanol exposure: simultaneous meconium extraction of fatty acid ethyl esters, ethyl glucuronide, and ethyl sulfate followed by LC-MS/MS quantification. Anal Bioanal Chem (2014) 0.81
A rapid, sensitive and selective liquid chromatography/atmospheric pressure chemical ionization tandem mass spectrometry method for determination of fenretinide (4-HPR) in plasma. J Chromatogr B Analyt Technol Biomed Life Sci (2007) 0.81
Mycotoxin production in liquid culture and on plants infected with Alternaria spp. isolated from rocket and cabbage. Toxins (Basel) (2015) 0.81
Validation and Application of a Dried Blood Spot Ceftriaxone Assay. Antimicrob Agents Chemother (2015) 0.81
Application of screening experimental designs to assess chromatographic isotope effect upon isotope-coded derivatization for quantitative liquid chromatography-mass spectrometry. Anal Chem (2014) 0.80
Quantitative UPLC-MS/MS analysis of the gut microbial co-metabolites phenylacetylglutamine, 4-cresyl sulphate and hippurate in human urine: INTERMAP Study. Anal Methods (2012) 0.80
11-Nor-9-carboxy-∆9-tetrahydrocannabinol quantification in human oral fluid by liquid chromatography-tandem mass spectrometry. Anal Bioanal Chem (2013) 0.80
Development and validation of an LC-MS/MS assay for the quantification of the trans-methylation pathway intermediates S-adenosylmethionine and S-adenosylhomocysteine in human plasma. Clin Chim Acta (2013) 0.80
Degradation of zopiclone during storage of spiked and authentic whole blood and matching dried blood spots. Int J Legal Med (2012) 0.79
Short communication: Quantification of carbohydrates in whey permeate products using high-performance anion-exchange chromatography with pulsed amperometric detection. J Dairy Sci (2015) 0.79
Modern instrumental methods in forensic toxicology. J Anal Toxicol (2007) 0.79
Dried blood spot testing for seven steroids using liquid chromatography-tandem mass spectrometry with reference interval determination in the Korean population. Ann Lab Med (2015) 0.79
Steroid assays in paediatric endocrinology. J Clin Res Pediatr Endocrinol (2010) 0.79
Comparison of the quantification of acetaminophen in plasma, cerebrospinal fluid and dried blood spots using high-performance liquid chromatography-tandem mass spectrometry. J Pharm Biomed Anal (2013) 0.79
Rapid and simultaneous quantitation of prostanoids by UPLC-MS/MS in rat brain. J Chromatogr B Analyt Technol Biomed Life Sci (2013) 0.79
Sensitive assay for measurement of volatile borneol, isoborneol, and the metabolite camphor in rat pharmacokinetic study of Borneolum (Bingpian) and Borneolum syntheticum (synthetic Bingpian). Acta Pharmacol Sin (2013) 0.79
Validation and Application of a Dried Blood Spot Assay for Biofilm-Active Antibiotics Commonly Used for Treatment of Prosthetic Implant Infections. Antimicrob Agents Chemother (2016) 0.79
Simultaneous quantification of methadone, cocaine, opiates, and metabolites in human placenta by liquid chromatography-mass spectrometry. J Anal Toxicol (2009) 0.79
Measurement of caffeine and its three primary metabolites in human plasma by HPLC-ESI-MS/MS and clinical application. Biomed Chromatogr (2016) 0.78
Total testosterone quantitative measurement in serum by LC-MS/MS. Clin Chim Acta (2014) 0.78
Direct Mass Spectrometry Analysis of Untreated Samples of Ultralow Amounts Using Extraction Nano-Electrospray. Anal Methods (2013) 0.78
Phosphorothioate oligonucleotide quantification by μ-liquid chromatography-mass spectrometry. AAPS J (2012) 0.78
Matrix effect in quantitative LC/MS/MS analyses of biological fluids: a method for determination of finasteride in human plasma at picogram per milliliter concentrations. Anal Chem (1998) 1.90
Analytical method for the quantification of famotidine, an H2-receptor blocker, in plasma and urine. J Chromatogr (1985) 1.03
Simultaneous determination of Aprepitant and two metabolites in human plasma by high-performance liquid chromatography with tandem mass spectrometric detection. J Pharm Biomed Anal (2004) 0.95
Determination of a novel substance P inhibitor in human plasma by high-performance liquid chromatography with atmospheric pressure chemical ionization mass spectrometric detection using single and triple quadrupole detectors. J Chromatogr B Analyt Technol Biomed Life Sci (2004) 0.88
Determination of a cyclic hexapeptide, a novel antifungal agent, in human plasma by high-performance liquid chromatography with ion spray and turbo ion spray tandem mass spectrometric detection. J Chromatogr B Biomed Sci Appl (1999) 0.87
Determination of efavirenz, a selective non-nucleoside reverse transcriptase inhibitor, in human plasma using HPLC with post-column photochemical derivatization and fluorescence detection. J Pharm Biomed Anal (2002) 0.81
High-performance liquid chromatographic-tandem mass spectrometric evaluation and determination of stable isotope labeled analogs of rofecoxib in human plasma samples from oral bioavailability studies. J Chromatogr B Analyt Technol Biomed Life Sci (2002) 0.80
Evidence for route dependent biotransformation of cyclobenzaprine hydrochloride. Biopharm Drug Dispos (1982) 0.78
Mechanistic studies on the reversible metabolism of rofecoxib to 5-hydroxyrofecoxib in the rat: evidence for transient ring opening of a substituted 2-furanone derivative using stable isotope-labeling techniques. Drug Metab Dispos (2001) 0.78
Quantitative liquid chromatographic and tandem mass spectrometric determination of vitamin D3 in human serum with derivatization: a comparison of in-tube LLE, 96-well plate LLE and in-tip SPME. J Chromatogr B Analyt Technol Biomed Life Sci (2011) 0.78
Determination of cyclobenzaprine in plasma and urine using capillary gas chromatography with nitrogen-selective detection. J Chromatogr (1985) 0.77
Determination of dextromethorphan and its metabolite dextrorphan in human urine using high performance liquid chromatography with atmospheric pressure chemical ionization tandem mass spectrometry: a study of selectivity of a tandem mass spectrometric assay. J Chromatogr B Analyt Technol Biomed Life Sci (2005) 0.77
Determination of rofecoxib (MK-0966), a cyclooxygenase-2 inhibitor, in human plasma by high-performance liquid chromatography with tandem mass spectrometric detection. J Chromatogr B Biomed Sci Appl (2000) 0.77
Single-dose pharmacokinetics and bioavailability of famotidine in man. Results of multicenter collaborative studies. Biopharm Drug Dispos (1988) 0.76
Determination of picogram levels of heptylphysostigmine in human plasma using high-performance liquid chromatography with fluorescence detection. J Chromatogr (1992) 0.75
Determination of a novel selective inhibitor of type 1 5alpha-reductase in human plasma by liquid chromatography with atmospheric pressure chemical ionization tandem mass spectrometry. J Chromatogr B Biomed Sci Appl (1998) 0.75
Determination of 2,3-dihydro-6-[3-(2-hydroxymethyl)phenyl-2-propenyl]-5-benzofuranol in plasma using liquid chromatography with electrochemical detection. J Chromatogr (1988) 0.75
Picogram determination of a novel dopamine D4 receptor antagonist in human plasma and urine by liquid chromatography with atmospheric pressure chemical ionization tandem mass spectrometry. J Chromatogr B Biomed Sci Appl (1997) 0.75
Amiloride: biological fluid analysis by reverse-phase HPLC. Pharm Res (1985) 0.75
Determination of a cyclooxygenase II inhibitor in human plasma by capillary gas chromatography with mass spectrometric detection. J Chromatogr B Analyt Technol Biomed Life Sci (2004) 0.75
Determination of MK-507, a novel topically effective carbonic anhydrase inhibitor, and its de-ethylated metabolite in human whole blood, plasma, and urine by high-performance liquid chromatography. J Chromatogr B Biomed Appl (1994) 0.75
Determination of a substance P antagonist in human plasma and urine using high-performance liquid chromatography with ultraviolet absorbance and tandem mass spectrometric detection. J Pharm Biomed Anal (1997) 0.75
Determination of chlorothiazide in urine using reversed-phase high-performance liquid chromatography with ultraviolet detection. J Chromatogr (1986) 0.75
Effect of MK-386, a novel inhibitor of type 1 5 alpha-reductase, alone and in combination with finasteride, on serum dihydrotestosterone concentrations in men. J Clin Endocrinol Metab (1996) 0.75
Stereoselective disposition of the geometric isomers of a novel lipoxygenase cyclo-oxygenase inhibitor in dog and photochemical interconversion of its isomers. J Pharm Sci (1988) 0.75
Determination of pirenzepine in human plasma using liquid chromatography with tandem mass spectrometric detection. J Pharm Biomed Anal (1995) 0.75
Development of direct stereoselective and non-stereoselective assays in biological fluids for the enantiomers of a thieno[2,3-b]thiopyran-2-sulfonamide, a topically effective carbonic anhydrase inhibitor. J Chromatogr (1990) 0.75
Development of high-performance liquid chromatography-tandem mass spectrometric methods for the determination of a new oxytocin receptor antagonist (L-368,899) extracted from human plasma and urine: a case of lack of specificity due to the presence of metabolites. J Chromatogr B Biomed Sci Appl (1998) 0.75
Analytical methods for the determination of sulindac and metabolites in plasma, urine, bile, and gastric fluid by liquid chromatography using ultraviolet detection. J Pharm Sci (1984) 0.75
Determination of a novel growth hormone secretagogue (MK-677) in human plasma at picogram levels by liquid chromatography with atmospheric pressure chemical ionization tandem mass spectrometry. J Chromatogr B Biomed Sci Appl (1997) 0.75