Studies on the microbial biotransformation of the novel psychoactive substance methylenedioxypyrovalerone (MDPV) in wastewater by means of liquid chromatography-high resolution mass spectrometry/ mass spectrometryMARDAL, Marie; MEYER, Markus R.Science of the total environment. 2014, Vol 493, pp 588-595, issn 0048-9697, 8 p.Article

Analytical Toxicology of Emerging Drugs of Abuse—An UpdateMEYER, Markus R; PETERS, Frank T.Therapeutic drug monitoring. 2012, Vol 34, Num 6, pp 615-621, issn 0163-4356, 7 p.Article

Drugs of abuse screening in urine as part of a metabolite-based LC-MSⁿ screening conceptWISSENBACH, Dirk K; MEYER, Markus R; REMANE, Daniela et al.Analytical & bioanalytical chemistry (Print). 2011, Vol 400, Num 10, pp 3481-3489, issn 1618-2642, 9 p.Article

The Role of Human Hepatic Cytochrome P450 Isozymes in the Metabolism of Racemic 3,4-MethylenedioxyMethamphetamine and Its EnantiomersMEYER, Markus R; PETERS, Frank T; MAURER, Hans H et al.Drug metabolism and disposition. 2008, Vol 36, Num 11, pp 2345-2354, issn 0090-9556, 10 p.Article

Studies on the metabolism of the α-pyrrolidinophenone designer drug methylenedioxy-pyrovalerone (MDPV) in rat and human urine and human liver microsomes using GC-MS and LC-high-resolution MS and its detectability in urine by GC-MSMEYER, Markus R; PENG DU; SCHUSTER, Frank et al.Journal of mass spectrometry. 2010, Vol 45, Num 12, pp 1426-1442, issn 1076-5174, 17 p.Article

Stereoselective differences in the cytochrome P450-dependent dealkylation and demethylenation of N-methyl-benzodioxolyl-butanamine (MBDB, Eden) enantiomersMEYER, Markus R; PETERS, Frank T; MAURER, Hans H et al.Biochemical pharmacology. 2009, Vol 77, Num 11, pp 1725-1734, issn 0006-2952, 10 p.Article

Investigation on the Enantioselectivity of the Sulfation of the Methylenedioxymethamphetamine Metabolites 3,4-Dihydroxymethamphetamine and 4-Hydroxy-3-Methoxymethamphetamine using the Substrate-Depletion ApproachSCHWANINGER, Andrea E; MEYER, Markus R; MAURER, Hans H et al.Drug metabolism and disposition. 2011, Vol 39, Num 11, pp 1998-2002, issn 0090-9556, 5 p.Article

Direct analysis of the mushroom poisons α- and β-amanitin in human urine using a novel on-line turbulent flow chromatography mode coupled to liquid chromatography―high resolution-mass spectrometry/mass spectrometryHELFER, Andreas G; MEYER, Markus R; MICHELY, Julian A et al.Journal of chromatography. 2014, Vol 1325, pp 92-98, issn 0021-9673, 7 p.Article

Sulfation of the 3,4-methylenedioxymethamphetamine (MDMA) metabolites 3,4-dihydroxymethamphetamine (DHMA) and 4-hydroxy-3-methoxymethamphetamine (HMMA) and their capability to inhibit human sulfotransferasesSCHWANINGER, Andrea E; MEYER, Markus R; ZAPP, Josef et al.Toxicology letters. 2011, Vol 202, Num 2, pp 120-128, issn 0378-4274, 9 p.Article

Investigations on the cytochrome P450 (CYP) isoenzymes involved in the metabolism of the designer drugs N-(1-phenyl cyclohexyl)-2-ethoxyethanamine and N-(1-phenylcyclohexyl)-2-methoxyethanamineSAUER, Christoph; PETERS, Frank T; SCHWANINGER, Andrea E et al.Biochemical pharmacology. 2009, Vol 77, Num 3, pp 444-450, issn 0006-2952, 7 p.Article

Comparison of urinary on-site immunoassay screening and gas chromatography-mass spectrometry results of 111 patients with suspected poisoning presenting at an emergency departmentVON MACH, Marc-A; WEBER, Carola; MEYER, Markus R et al.Therapeutic drug monitoring. 2007, Vol 29, Num 1, pp 27-39, issn 0163-4356, 13 p.Article

Towards a universal LC―MS screening procedure ― can an LIT LC―MSⁿ screening approach and reference library be used on a quadrupole-LIT hybrid instrument?WISSENBACH, Dirk K; MEYER, Markus R; WEBER, Armin A et al.Journal of mass spectrometry. 2012, Vol 47, Num 1, pp 66-71, issn 1076-5174, 6 p.Article

Development, Validation, and Application of a Fast and Simple GC-MS Method for Determination of Some Therapeutic Drugs Relevant in Emergency ToxicologyMEYER, Markus R; WELTER, Jessica; WEBER, Armin A et al.Therapeutic drug monitoring. 2011, Vol 33, Num 5, pp 649-653, issn 0163-4356, 5 p.Article

Beta-keto amphetamines: studies on the metabolism of the designer drug mephedrone and toxicological detection of mephedrone, butylone, and methylone in urine using gas chromatography-mass spectrometryMEYER, Markus R; WILHELM, Jens; PETERS, Frank T et al.Analytical & bioanalytical chemistry (Print). 2010, Vol 397, Num 3, pp 1225-1233, issn 1618-2642, 9 p.Article

New designer drug α-pyrrolidinovalerophenone (PVP): studies on its metabolism and toxicological detection in rat urine using gas chromatographic/mass spectrometric techniquesSAUER, Christoph; PETERS, Frank T; HAAS, Claudia et al.Journal of mass spectrometry. 2009, Vol 44, Num 6, pp 952-964, issn 1076-5174, 13 p.Article

Studies on the metabolism of the Δ9-tetrahydrocannabinol precursor Δ9-tetrahydrocannabinolic acid A (Δ9-THCA-A) in rat using LC-MS/MS, LC-QTOF MS and GC-MS techniquesJUNG, Julia; MEYER, Markus R; MAURER, Hans H et al.Journal of mass spectrometry. 2009, Vol 44, Num 10, pp 1423-1433, issn 1076-5174, 11 p.Article

Application of a UHPLC MS/MS-Based Multianalyte Approach for Screening and Validated Quantification of Drugs in Human Blood Plasma Often Requested in the Context of Brain Death DiagnosisREMANE, Daniela; MONTENARH, Deborah; MEYER, Markus R et al.Therapeutic drug monitoring. 2014, Vol 36, Num 2, pp 257-260, issn 0163-4356, 4 p.Article

A validated GC-MS procedure for fast, simple, and cost-effective quantification of glycols and GHB in human plasma and their identification in urine and plasma developed for emergency toxicologyMEYER, Markus R; WEBER, Armin A; MAURER, Hans H et al.Analytical & bioanalytical chemistry (Print). 2011, Vol 400, Num 2, pp 411-414, issn 1618-2642, 4 p.Article

Automated Mass Spectral Deconvolution and Identification System for GC-MS Screening for Drugs, Poisons, and Metabolites in UrineMEYER, Markus R; PETERS, Frank T; MAURER, Hans H et al.Clinical chemistry (Baltimore, Md.). 2010, Vol 56, Num 4, pp 575-584, issn 0009-9147, 10 p.Article

Gas Chromatography-Mass Spectrometry Detection of a Norfluoxetine Artifact in Hydrolyzed Urine Samples May Falsely Indicate Tranylcypromine IngestionSCHWANINGER, Andrea E; MEYER, Markus R; MAURER, Hans H et al.Journal of analytical toxicology. 2010, Vol 34, Num 1, pp 45-48, issn 0146-4760, 4 p.Article

Investigations on the human hepatic cytochrome P450 isozymes involved in the metabolism of 3,4-methylenedioxy-amphetamine (MDA) and benzodioxolyl-butanamine (BDB) enantiomersMEYER, Markus R; PETERS, Frank T; MAURER, Hans H et al.Toxicology letters. 2009, Vol 190, Num 1, pp 54-60, issn 0378-4274, 7 p.Article

The Role of Human Hepatic Cytochrome P450 Isozymes in the Metabolism of Racemic 3,4-Methylenedioxyethylamphetamine and Its Single EnantiomersMEYER, Markus R; PETERS, Frank T; MAURER, Hans H et al.Drug metabolism and disposition. 2009, Vol 37, Num 6, pp 1152-1156, issn 0090-9556, 5 p.Article

Objective assessment of nonadherence and unknown co-medication in hospitalized patientsCAROW, Florentine; RIEGER, Karin; WALTER-SACK, Ingeborg et al.European journal of clinical pharmacology. 2012, Vol 68, Num 8, pp 1191-1199, issn 0031-6970, 9 p.Article

Fast and simple procedure for liquid―liquid extraction of 136 analytes from different drug classes for development of a liquid chromatographic-tandem mass spectrometric quantification method in human blood plasmaREMANE, Daniela; MEYER, Markus R; PETERS, Frank T et al.Analytical & bioanalytical chemistry (Print). 2010, Vol 397, Num 6, pp 2303-2314, issn 1618-2642, 12 p.Article

The Role of Human UDP-Glucuronyltransferases on the Formation of the Methylenedioxymethamphetamine (Ecstasy) Phase II Metabolites R- and S-3-Methoxymethamphetamine 4-O-GlucuronidesSCHWANINGER, Andrea E; MEYER, Markus R; ZAPP, Josef et al.Drug metabolism and disposition. 2009, Vol 37, Num 11, pp 2212-2220, issn 0090-9556, 9 p.Article