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Gas chromatography-tandem mass spectrometry method for the simultaneous determination of oxysterols, plant sterols, and cholesterol precursors.
Clinical chemistry 20121101
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A validated method for the analysis of cannabinoids in post-mortem blood using liquid-liquid extraction and two-dimensional gas chromatography-mass spectrometry.
Forensic science international 20121010
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Simultaneous determination of ultraviolet filters in aqueous samples by plunger-in-needle solid-phase microextraction with graphene-based sol-gel coating as sorbent coupled with gas chromatography-mass spectrometry.
Analytica chimica acta 20120912
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Simultaneous quantification of morphine and cocaine in hair samples from drug addicts by GC-EI/MS.
Biomedical chromatography : BMC 20120801
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Utilization of a deuterated derivatization agent to synthesize internal standards for gas chromatography-tandem mass spectrometry quantification of silylated metabolites.
Journal of chromatography. A 20120720
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Determination of Δ9-tetrahydrocannabinol and 11-nor-9-carboxy-Δ9-tetrahydrocannabinol in water samples by solid-phase microextraction with on-fiber derivatization and gas chromatography-mass spectrometry.
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A novel method for the quantitative determination of free and conjugated bisphenol A in human maternal and umbilical cord blood serum using a two-step solid phase extraction and gas chromatography/tandem mass spectrometry.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 20120601
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Qualification and quantification of seventeen natural steroids in plasma by GC-Q-MS and GC-IT-MS/MS.
Journal of chromatographic science 20120401
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An efficient zinc-catalyzed dehydration of primary amides to nitriles.
Chemistry, an Asian journal 20120102
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Metabolic and proteomic profiling of diapause in the aphid parasitoid Praon volucre.
PloS one 20120101
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Defects in mitochondrial dynamics and metabolomic signatures of evolving energetic stress in mouse models of familial Alzheimer's disease.
PloS one 20120101
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Expression patterns of genes involved in sugar metabolism and accumulation during apple fruit development.
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Phytoestrogens in human pregnancy.
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Selection of the derivatization reagent--the case of human blood cholesterol, its precursors and phytosterols GC-MS analyses.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 20111215
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Optimization of a sample preparation method for the metabolomic analysis of clinically relevant bacteria.
Journal of microbiological methods 20111001
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GC-MS method for the simultaneous determination of β-blockers, flavonoids, isoflavones and their metabolites in human urine.
Journal of pharmaceutical and biomedical analysis 20110825
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Determination of illegally abused sedative-hypnotics in hair samples from drug offenders.
Journal of analytical toxicology 20110601
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Determination of atenolol in human urine by gas chromatography-mass spectrometry method.
Journal of chromatographic science 20110501
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Stereoselective method development and validation for determination of concentrations of amphetamine-type stimulants and metabolites in human urine using a simultaneous extraction-chiral derivatization approach.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 20110101
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Analysis of glycolytic intermediates with ion chromatography- and gas chromatography-mass spectrometry.
Methods in molecular biology (Clifton, N.J.) 20110101
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The dynamics of glutathione species and ophthalmate concentrations in plasma from the VX2 rabbit model of secondary liver tumors.
HPB surgery : a world journal of hepatic, pancreatic and biliary surgery 20110101
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Determination of some phenolic compounds in Crocus sativus L. corms and its antioxidant activities study.
Pharmacognosy magazine 20110101
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A cell factory of Bacillus subtilis engineered for the simple bioconversion of myo-inositol to scyllo-inositol, a potential therapeutic agent for Alzheimer's disease.
Microbial cell factories 20110101
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Postprandial differences in the plasma metabolome of healthy Finnish subjects after intake of a sourdough fermented endosperm rye bread versus white wheat bread.
Nutrition journal 20110101
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Integrated proteomic and metabolomic analysis of an artificial microbial community for two-step production of vitamin C.
PloS one 20110101
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Metabolomics reveals reduction of metabolic oxidation in women with polycystic ovary syndrome after pioglitazone-flutamide-metformin polytherapy.
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Analysis of exemestane and 17β-hydroxyexemestane in human urine by gas chromatography/mass spectrometry: development and validation of a method using MO-TMS derivatives.
Rapid communications in mass spectrometry : RCM 20101130
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Screening of tetrodotoxin in puffers using gas chromatography-mass spectrometry.
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Development and validation of a gas chromatography/ion trap-mass spectrometry method for simultaneous quantification of cocaine and its metabolites benzoylecgonine and norcocaine: application to the study of cocaine metabolism in human primary cultured renal cells.
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Simultaneous quantification of opiates and effect of pigmentation on its deposition in hair.
Archives of pharmacal research 20101101
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Simultaneous quantitation of parabens, triclosan, and methyl triclosan in indoor house dust using solid phase extraction and gas chromatography-mass spectrometry.
Journal of environmental monitoring : JEM 20101006
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Analysis of phenylpiperazine-like stimulants in human hair as trimethylsilyl derivatives by gas chromatography-mass spectrometry.
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Determination of different recreational drugs in hair by HS-SPME and GC/MS.
Analytical and bioanalytical chemistry 20100801
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Detection of cannabigerol and its presumptive metabolite in human urine after Cannabis consumption.
Die Pharmazie 20100601
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Simultaneous quantitation of morphine, 6-acetylmorphine, codeine, 6-acetylcodeine and tramadol in hair using mixed-mode solid-phase extraction and gas chromatography-mass spectrometry.
Analytical and bioanalytical chemistry 20100401
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Determination of drugs of abuse in water by solid-phase extraction, derivatisation and gas chromatography-ion trap-tandem mass spectrometry.
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Analysis of selective androgen receptor modulators by gas chromatography-microchip atmospheric pressure photoionization-mass spectrometry.
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Determination of pipecolic acid following trimethylsilyl and trifluoroacyl derivatisation on plasma filter paper by stable isotope GC-MS for peroxisomal disorders.
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Signature profiling and classification of illicit heroin by GC-MS analysis of acidic and neutral manufacturing impurities.
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BMC genomics 20100101
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Analysis of sibutramine metabolites as N-trifluoroacetamide and O-trimethylsilyl derivatives by gas chromatography-mass spectrometry in urine.
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Enhancement of chemical derivatization of steroids by gas chromatography/mass spectrometry (GC/MS).
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Analysis of beta-agonists and beta-blockers in urine using hollow fibre-protected liquid-phase microextraction with in situ derivatization followed by gas chromatography/mass spectrometry.
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Quantitative analysis of ezetimibe in human plasma by gas chromatography-mass spectrometry.
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Sensitive determination of salicylate and benzophenone type UV filters in water samples using solid-phase microextraction, derivatization and gas chromatography tandem mass spectrometry.
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Implementation of gas chromatography combined with simultaneously selected ion monitoring and full scan mass spectrometry in doping analysis.
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Development and validation of an analytical method for the simultaneous determination of cocaine and its main metabolite, benzoylecgonine, in human hair by gas chromatography/mass spectrometry.
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Screening and semiquantitative analysis of drugs and drugs of abuse in human serum samples using gas chromatography-mass spectrometry.
Neuro endocrinology letters 20081001
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Standardizing GC-MS metabolomics.
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Sample purification procedure for confirmation of 3'-hydroxy stanozolol by gas chromatography/high resolution mass spectrometry.
Indian journal of pharmacology 20080801
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Identification and quantification of ibuprofen, naproxen, ketoprofen and diclofenac present in waste-waters, as their trimethylsilyl derivatives, by gas chromatography mass spectrometry.
Talanta 20080730
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[Screening, quantification and confirmation of beta-blockers in urine using gas chromatography-mass spectrometry].
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A new method for simultaneous determination of cyclic antidepressants and their metabolites in urine using enzymatic hydrolysis and fast GC-MS.
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Simultaneous determination of amphetamine-type stimulants and cannabinoids in fingernails by gas chromatography-mass spectrometry.
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Multivariate optimization of a derivatisation procedure for the simultaneous determination of nine anabolic steroids by gas chromatography coupled with mass spectrometry.
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Study of the chemical derivatization of zearalenone and its metabolites for gas chromatography-mass spectrometry analysis of environmental samples.
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GC-MS method development and validation for anabolic steroids in feed samples.
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A rapid and efficient determination of natural estrogens in soils by pressurised liquid extraction and gas chromatography-mass spectrometry.
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Evaluation of five methods for derivatization and GC determination of a mixture of very long chain fatty acids (C24:0-C36:0).
Journal of pharmaceutical and biomedical analysis 20080107
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Simultaneous determination of blood glucose and isoleucine levels in rats after chronic alcohol exposure by microwave-assisted derivatization and isotope dilution gas chromatography/mass spectrometry.
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Quantitative analysis of urinary glycerol levels for doping control purposes using gas chromatography-mass spectrometry.
European journal of mass spectrometry (Chichester, England) 20080101
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A gas chromatography-isotope dilution high-resolution mass spectrometry method for quantification of isomeric benzo[a]pyrene diol epoxide hemoglobin adducts in humans.
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Flow cytometry and phytochemical analysis of a sunflower cell suspension culture in a 5-L bioreactor.
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Determination of 1,3-dichloro-2-propanol and 3-chloro-1,2-propandiol in soy sauce by headspace derivatization solid-phase microextraction combined with gas chromatography-mass spectrometry.
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Optimisation of a headspace solid-phase microextraction with on-fiber derivatisation method for the direct determination of haloanisoles and halophenols in wine.
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A novel approach for simultaneous determination of 2-mercaptobenzimidazole and derivatives of 2-thiouracil in animal tissue by gas chromatography/mass spectrometry.
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Electron ionization mass spectra of ephedrines in a doping confirmatory procedure: a curious migration of the trimethylsilyl group in the N-acetyl-O-trimethylsilyl derivatives.
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Formation of multiple trimethylsilyl derivatives in the derivatization of 17alpha-ethinylestradiol with BSTFA or MSTFA followed by gas chromatography-mass spectrometry determination.
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Analysis of 5-hydroxymethylfurfural in foods by gas chromatography-mass spectrometry.
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Analysis of hormonal steroids in fish plasma and bile by coupling solid-phase extraction to GC/MS.
Analytical and bioanalytical chemistry 20061101
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Simultaneous determination of benzophenone-type UV filters in water and soil by gas chromatography-mass spectrometry.
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Detection and quantification of glucuro- and sulfoconjugated metabolites in human urine following oral administration of xenobiotic 19-norsteroids.
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Determination of the propylene oxide-hemoglobin adduct by gas chromatography-electron impact ionization mass spectrometry.
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Optimization of silylation using N-methyl-N-(trimethylsilyl)-trifluoroacetamide, N,O-bis-(trimethylsilyl)-trifluoroacetamide and N-(tert-butyldimethylsilyl)-N-methyltrifluoroacetamide for the determination of the estrogens estrone and 17alpha-ethinylestradiol by gas chromatography-mass spectrometry.
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[Determination of anabolic steroid hormones in animal muscle tissues by gas chromatography/mass spectrometry].
Se pu = Chinese journal of chromatography 20060101
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Polymer-coated hollow-fiber microextraction of estrogens in water samples with analysis by gas chromatography-mass spectrometry.
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Validated toxicological determination of 30 drugs of abuse as optimized derivatives in oral fluid by long column fast gas chromatography/electron impact mass spectrometry.
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Simultaneous determination of thyreostatic residues in animal tissues by matrix solid-phase dispersion and gas chromatography-mass spectrometry.
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Determination of 14 benzodiazepines and hydroxy metabolites, zaleplon and zolpidem as tert-butyldimethylsilyl derivatives compared with other common silylating reagents in whole blood by gas chromatography-mass spectrometry.
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Pitfalls in trimethylsilylation of anabolic steroids. New derivatisation approach for residue at ultra-trace level.
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Gas chromatographic method for the analysis of allelopathic natural products in rye (Secale cereale L.).
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BMC plant biology 20050101
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Metabolic profiling of laser microdissected vascular bundles of Arabidopsis thaliana.
Plant methods 20050101
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Gene expression and metabolite profiling of Populus euphratica growing in the Negev desert.
Genome biology 20050101
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Investigation of the silylation of ephedrines using N-methyl-N-trimethylsilyl-trifluoroacetamide.
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Application of a simple and sensitive GC-MS method for determination of morphine in the hair of opium abusers.
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Determination of cannabinoids in hemp food products by use of headspace solid-phase microextraction and gas chromatography-mass spectrometry.
Analytical and bioanalytical chemistry 20040101
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Electrospray ionization mass spectrometric characterization and quantitation of xanthine derivatives using isotopically labelled analogues: an application for equine doping control analysis.
Rapid communications in mass spectrometry : RCM 20040101
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Quantification and stability of salbutamol in human urine.
Journal of separation science 20040101
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N-methyl-N-trimethylsilyltrifluoroacetamide-promoted synthesis and mass spectrometric characterization of deuterated ephedrines.
European journal of mass spectrometry (Chichester, England) 20040101
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Automated headspace solid-phase dynamic extraction for the determination of cannabinoids in hair samples.
Forensic science international 20030423
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Urinary concentrations of morphine after the administration of herbal teas containing Papaveris fructus in relation to doping analysis.
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Determination of tizanidine in human plasma by gas chromatography-mass spectrometry.
The Analyst 20020701
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Rapid analysis of metanephrine and normetanephrine in urine by gas chromatography-mass spectrometry.
Clinical chemistry 20020201
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Validation of a gas chromatographic method for determination of fatty alcohols in 10 mg film-coated tablets of policosanol.
Journal of AOAC International 20020101
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The measurement of theophylline in human serum or plasma using gas chromatography and isotope dilution-mass spectrometry (GC-IDMS) taking other substituted xanthines into consideration.
Clinical laboratory 20020101
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An improved method to discover adulteration of Styrian pumpkin seed oil.
Journal of biochemical and biophysical methods 20020101
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Fully automated determination of cannabinoids in hair samples using headspace solid-phase microextraction and gas chromatography-mass spectrometry.
Journal of analytical toxicology 20020101
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Chiral separation of beta-blockers after derivatization with (-)-alphamethoxy-alpha-(trifluoromethyl)phenylacetyl chloride by gas chromatography.
Archives of pharmacal research 20011001
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Method for the analysis of thyreostats in meat tissue using gas chromatography with nitrogen phosphorus detection and tandem mass spectrometric confirmation.
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Characterization of cigar tobaccos by gas chromatographic/mass spectrometric analysis of nonvolatile organic acids: application to the authentication of Cuban cigars.
Journal of agricultural and food chemistry 20010301