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H. Maurer · SciRah

Researcher profile · Semantic Scholar

H. Maurer

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H. Maurer — researcher profile on SciRah

h-index: 66
Works: 399
Citations: 15K

Most-cited papers

Orbitrap technology for comprehensive metabolite-based liquid chromatographic-high resolution-tandem mass spectrometric urine drug screening - exemplified for cardiovascular drugs.
A. Helfer, Julian A Michely, A. A. Weber, M. Meyer +1 more
2015Analytica Chimica Acta133 citations
Semantic Scholar
Refined protocols of tamoxifen injection for inducible DNA recombination in mouse astroglia
H. Jahn, Carmen V. Kasakow, A. Helfer, Julian A Michely +4 more
2018Scientific Reports123 citations Open access
Semantic Scholar
High-resolution mass spectrometry in toxicology: current status and future perspectives
H. Maurer, M. Meyer
2016Archives of Toxicology112 citations
Semantic Scholar
Review: LC coupled to low- and high-resolution mass spectrometry for new psychoactive substance screening in biological matrices - Where do we stand today?
M. Meyer, H. Maurer
2016Analytica Chimica Acta87 citations
Semantic Scholar
Blood pressure reductions following catheter-based renal denervation are not related to improvements in adherence to antihypertensive drugs measured by urine/plasma toxicological analysis
S. Ewen, M. Meyer, B. Cremers, U. Laufs +9 more
2015Clinical Research in Cardiology79 citations
Semantic Scholar
The NTCP‐inhibitor Myrcludex B: Effects on Bile Acid Disposition and Tenofovir Pharmacokinetics
A. Blank, A. Eidam, M. Haag, N. Hohmann +12 more
2018Clinical pharmacology and therapy74 citations Open access
Semantic Scholar
Studies on the metabolism and toxicological detection of the new psychoactive designer drug 2-(4-iodo-2,5-dimethoxyphenyl)-N-[(2-methoxyphenyl)methyl]ethanamine (25I-NBOMe) in human and rat urine using GC-MS, LC-MSn, and LC-HR-MS/MS
A. Caspar, A. Helfer, Julian A Michely, V. Auwärter +3 more
2015Analytical and Bioanalytical Chemistry73 citations Open access
Semantic Scholar
Pooled human liver preparations, HepaRG, or HepG2 cell lines for metabolism studies of new psychoactive substances? A study using MDMA, MDBD, butylone, MDPPP, MDPV, MDPB, 5‐MAPB, and 5‐API as examples
Lilian H. J. Richter, V. Flockerzi, H. Maurer, M. Meyer
2017Journal of Pharmaceutical and Biomedical Analysis69 citations
Semantic Scholar
Benzofuran analogues of amphetamine and methamphetamine: studies on the metabolism and toxicological analysis of 5-APB and 5-MAPB in urine and plasma using GC-MS and LC-(HR)-MSn techniques
Jéssica Welter, P. Kavanagh, M. Meyer, H. Maurer
2015Analytical and Bioanalytical Chemistry68 citations
Semantic Scholar
Liquid chromatography-high resolution-tandem mass spectrometry using Orbitrap technology for comprehensive screening to detect drugs and their metabolites in blood plasma.
A. Helfer, Julian A Michely, A. A. Weber, M. Meyer +1 more
2017Analytica Chimica Acta66 citations
Semantic Scholar
New psychoactive substances: Studies on the metabolism of XLR-11, AB-PINACA, FUB-PB-22, 4-methoxy-α-PVP, 25-I-NBOMe, and meclonazepam using human liver preparations in comparison to primary human hepatocytes, and human urine.
Lilian H. J. Richter, H. Maurer, M. Meyer
2017Toxicology Letters56 citations
Semantic Scholar
Development of an in vitro cytochrome P450 cocktail inhibition assay for assessing the inhibition risk of drugs of abuse.
J. Dinger, M. Meyer, H. Maurer
2014Toxicology Letters56 citations
Semantic Scholar
New Psychoactive Substances: Chemistry, Pharmacology, Metabolism, and Detectability of Amphetamine Derivatives With Modified Ring Systems
J. Welter-Luedeke, H. Maurer
2016Therapeutic Drug Monitoring55 citations
Semantic Scholar
Paper Spray Ionization Coupled to High Resolution Tandem Mass Spectrometry for Comprehensive Urine Drug Testing in Comparison to Liquid Chromatography-Coupled Techniques after Urine Precipitation or Dried Urine Spot Workup.
Julian A Michely, M. Meyer, H. Maurer
2017Analytical Chemistry53 citations
Semantic Scholar
What is the contribution of human FMO3 in the N-oxygenation of selected therapeutic drugs and drugs of abuse?
Lea Wagmann, M. Meyer, H. Maurer
2016Toxicology Letters52 citations Open access
Semantic Scholar
In vitro metabolic fate of nine LSD-based new psychoactive substances and their analytical detectability in different urinary screening procedures
Lea Wagmann, Lilian H. J. Richter, Tobias Kehl, F. Wack +5 more
2019Analytical and Bioanalytical Chemistry46 citations Open access
Semantic Scholar
Metabolic fate and detectability of the new psychoactive substances 2‐(4‐bromo‐2,5‐dimethoxyphenyl)‐N‐[(2‐methoxyphenyl)methyl]ethanamine (25B‐NBOMe) and 2‐(4‐chloro‐2,5‐dimethoxyphenyl)‐N‐[(2‐methoxyphenyl)methyl]ethanamine (25C‐NBOMe) in human and rat urine by GC–MS, LC–MSn, and LC–HR–MS/MS approa
A. Caspar, Simon D. Brandt, Andreas Stoever, M. Meyer +1 more
2017Journal of Pharmaceutical and Biomedical Analysis46 citations Open access
Semantic Scholar
Hyphenated high-resolution mass spectrometry—the “all-in-one” device in analytical toxicology?
H. Maurer
2020Analytical and Bioanalytical Chemistry45 citations Open access
Semantic Scholar
Elucidation of the metabolites of the novel psychoactive substance 4-methyl-N-ethyl-cathinone (4-MEC) in human urine and pooled liver microsomes by GC-MS and LC-HR-MS/MS techniques and of its detectability by GC-MS or LC-MS(n) standard screening approaches.
A. Helfer, A. Turcant, D. Boels, S. Férec +4 more
2015Drug Testing and Analysis45 citations
Semantic Scholar
Metabolism of the new psychoactive substances N,N-diallyltryptamine (DALT) and 5-methoxy-DALT and their detectability in urine by GC–MS, LC–MSn, and LC–HR–MS–MS
Julian A Michely, A. Helfer, Simon D. Brandt, M. Meyer +1 more
2015Analytical and Bioanalytical Chemistry43 citations Open access
Semantic Scholar
Blood pressure changes after catheter-based renal denervation are related to reductions in total peripheral resistance
S. Ewen, B. Cremers, M. Meyer, L. Donazzan +8 more
2015Journal of Hypertension43 citations
Semantic Scholar
Metabolic fate of desomorphine elucidated using rat urine, pooled human liver preparations, and human hepatocyte cultures as well as its detectability using standard urine screening approaches
Lilian H. J. Richter, Y. Kaminski, F. Noor, M. Meyer +1 more
2016Analytical and Bioanalytical Chemistry40 citations
Semantic Scholar
A simple extraction and LC-MS/MS approach for the screening and identification of over 100 analytes in eight different matrices.
Deborah Montenarh, M. Hopf, S. Warth, H. Maurer +2 more
2015Drug Testing and Analysis40 citations
Semantic Scholar
Pharmacokinetics of (synthetic) cannabinoids in pigs and their relevance for clinical and forensic toxicology.
Nadine Schaefer, Jan-Georg Wojtyniak, M. Kettner, J. Schlote +6 more
2016Toxicology Letters39 citations
Semantic Scholar
Bioanalytical Methods for New Psychoactive Substances.
Lea Wagmann, H. Maurer
2018Handbook of Experimental Pharmacology38 citations
Semantic Scholar
In vitro cytochrome P450 inhibition potential of methylenedioxy-derived designer drugs studied with a two-cocktail approach
J. Dinger, M. Meyer, H. Maurer
2014Archives of Toxicology38 citations
Semantic Scholar
Contribution of human esterases to the metabolism of selected drugs of abuse.
M. Meyer, A. Schutz, H. Maurer
2015Toxicology Letters36 citations
Semantic Scholar
Dried urine spots - A novel sampling technique for comprehensive LC-MSn drug screening.
Julian A Michely, M. Meyer, H. Maurer
2017Analytica Chimica Acta34 citations
Semantic Scholar
Different in vitro and in vivo tools for elucidating the human metabolism of alpha-cathinone-derived drugs of abuse.
Sascha K. Manier, Lilian H. J. Richter, Jan Schäper, H. Maurer +1 more
2018Drug Testing and Analysis33 citations
Semantic Scholar
Mass Spectrometry for Research and Application in Therapeutic Drug Monitoring or Clinical and Forensic Toxicology
H. Maurer
2018Therapeutic Drug Monitoring33 citations
Semantic Scholar
Metabolism of the tryptamine-derived new psychoactive substances 5-MeO-2-Me-DALT, 5-MeO-2-Me-ALCHT, and 5-MeO-2-Me-DIPT and their detectability in urine studied by GC-MS, LC-MSn , and LC-HR-MS/MS.
A. Caspar, Jonas B Gaab, Julian A Michely, Simon D. Brandt +2 more
2018Drug Testing and Analysis32 citations Open access
Semantic Scholar
Systematic forensic toxicological analysis by GC-MS in serum using automated mass spectral deconvolution and identification system.
Marcel Grapp, H. Maurer, H. Desel
2016Drug Testing and Analysis32 citations
Semantic Scholar
Metabolic fate, mass spectral fragmentation, detectability, and differentiation in urine of the benzofuran designer drugs 6-APB and 6-MAPB in comparison to their 5-isomers using GC-MS and LC-(HR)-MSn techniques
Jéssica Welter, Simon D. Brandt, P. Kavanagh, M. Meyer +1 more
2015Analytical and Bioanalytical Chemistry32 citations Open access
Semantic Scholar
A multi-analyte approach to help in assessing the severity of acute poisonings - Development and validation of a fast LC-MS/MS quantification approach for 45 drugs and their relevant metabolites with one-point calibration.
Julian A Michely, H. Maurer
2018Drug Testing and Analysis31 citations
Semantic Scholar
P-glycoprotein interactions of novel psychoactive substances - stimulation of ATP consumption and transport across Caco-2 monolayers.
M. Meyer, Lea Wagmann, N. Schneider-Daum, B. Loretz +3 more
2015Biochemical Pharmacology31 citations
Semantic Scholar
Development of a quantitative approach in blood plasma for low-dosed hallucinogens and opioids using LC-high resolution mass spectrometry.
A. Caspar, Andreas Kollas, H. Maurer, M. Meyer
2018Talanta: The International Journal of Pure and Applied Analytical Chemistry30 citations
Semantic Scholar
Metabolic fate of the new synthetic cannabinoid 7'N-5F-ADB in rat, human, and pooled human S9 studied by means of hyphenated high-resolution mass spectrometry.
Lilian H. J. Richter, H. Maurer, M. Meyer
2018Drug Testing and Analysis30 citations
Semantic Scholar
Distribution of Synthetic Cannabinoids JWH-210, RCS-4 and ∆ 9-Tetrahydrocannabinol After Intravenous Administration to Pigs
Nadine Schaefer, M. Kettner, M. W. Laschke, J. Schlote +4 more
2017Current Neuropharmacology30 citations Open access
Semantic Scholar
Toxicokinetic studies of the four new psychoactive substances 4-chloroethcathinone, N-ethylnorpentylone, N-ethylhexedrone, and 4-fluoro-alpha-pyrrolidinohexiophenone
Lea Wagmann, Sascha K. Manier, Niels Eckstein, H. Maurer +1 more
2019Forensic Toxicology29 citations Open access
Semantic Scholar
LC-HR-MS/MS standard urine screening approach: Pros and cons of automated on-line extraction by turbulent flow chromatography versus dilute-and-shoot and comparison with established urine precipitation.
A. Helfer, Julian A Michely, A. A. Weber, M. Meyer +1 more
2017Journal of chromatography. B, Analytical technologies in the biomedical and life sciences29 citations
Semantic Scholar
Studies on the metabolism and the detectability of 4-methyl-amphetamine and its isomers 2-methyl-amphetamine and 3-methyl-amphetamine in rat urine using GC-MS and LC-(high-resolution)-MSn
Jéssica Welter, M. Meyer, P. Kavanagh, H. Maurer
2014Analytical and Bioanalytical Chemistry29 citations
Semantic Scholar
LC-high resolution-MS/MS for identification of 69 metabolites of the new psychoactive substance 1-(4-ethylphenyl-)-N-[(2-methoxyphenyl)methyl] propane-2-amine (4-EA-NBOMe) in rat urine and human liver S9 incubates and comparison of its screening power with further MS techniques
A. Caspar, F. Westphal, M. Meyer, H. Maurer
2017Analytical and Bioanalytical Chemistry28 citations
Semantic Scholar
In situ antibiofilm effect of glass-ionomer cement containing dimethylaminododecyl methacrylate.
Jin Feng, Lei Cheng, Xue-Dong Zhou, Hockin H. K. Xu +6 more
2015Dental Materials27 citations
Semantic Scholar
New Psychoactive Substances 3-Methoxyphencyclidine (3-MeO-PCP) and 3-Methoxyrolicyclidine (3-MeO-PCPy): Metabolic Fate Elucidated with Rat Urine and Human Liver Preparations and their Detectability in Urine by GC-MS, “LC-(High Resolution)-MSn” and “LC-(High Resolution)-MS/MS”
Julian A Michely, Sascha K. Manier, A. Caspar, Simon D. Brandt +2 more
2017Current Neuropharmacology26 citations Open access
Semantic Scholar
Simultaneous LC-MS/MS determination of JWH-210, RCS-4, ∆9-tetrahydrocannabinol, and their main metabolites in pig and human serum, whole blood, and urine for comparing pharmacokinetic data
Nadine Schaefer, M. Kettner, M. W. Laschke, J. Schlote +6 more
2015Analytical and Bioanalytical Chemistry24 citations
Semantic Scholar
In vitro monoamine oxidase inhibition potential of alpha-methyltryptamine analog new psychoactive substances for assessing possible toxic risks.
Lea Wagmann, Simon D. Brandt, P. Kavanagh, H. Maurer +1 more
2017Toxicology Letters23 citations Open access
Semantic Scholar
Development and validation of a multi-analyte LC-MS/MS approach for quantification of neuroleptics in whole blood, plasma, and serum.
Deborah Montenarh, M. Hopf, H. Maurer, P. Schmidt +1 more
2016Drug Testing and Analysis22 citations
Semantic Scholar
Pitfalls in drug testing by hyphenated low- and high-resolution mass spectrometry.
H. Maurer
2019Drug Testing and Analysis21 citations Open access
Semantic Scholar
Interactions of phenethylamine-derived psychoactive substances of the 2C-series with human monoamine oxidases.
Lea Wagmann, Simon D. Brandt, A. Stratford, H. Maurer +1 more
2018Drug Testing and Analysis21 citations Open access
Semantic Scholar
Cytochrome P450 inhibition potential of new psychoactive substances of the tryptamine class.
J. Dinger, C. Woods, Simon D. Brandt, M. Meyer +1 more
2016Toxicology Letters21 citations Open access
Semantic Scholar

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