Publications by authors named "Alexandra Maas"

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Evaluation of RapidSTAT®, DrugWipe® 6S, DrugScreen® 5TK and DrugScreen® 7TR for on-site drug testing in German police roadside traffic patrol.
Jennifer Liut, Ulrich Bott, Burkhard Madea, Michael Krämer, Alexandra Maas

Drug Test Anal· August 2022

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Fatty acid esters as novel metabolites of γ-hydroxybutyric acid: A preliminary investigation.
Michael Kraemer, Sebastian Broecker, Theresa Kueting, Burkhard Madea, Alexandra Maas

Drug Test Anal· April 2022

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Follow up: palmitic acid ester of tetrahydrocannabinol (THC) and palmitic acid diester of 11-hydroxy-THC - unsuccessful search for additional THC metabolites.
Michael Kraemer, Cornelius Hess, Alexandra Maas, Burkhard Madea, Andras Bilkei-Gorzo

Drug Metab Pers Ther· March 2021

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Mono-/polyintoxication with 5F-ADB: A case series.
Michael Kraemer, Helena Fels, Torsten Dame, Frank Musshoff, Sebastian Halter, Alexandra Maas

Forensic Sci Int· August 2019

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Death cases involving certain new psychoactive substances: A review of the literature.
Michael Kraemer, Anna Boehmer, Burkhard Madea, Alexandra Maas

Forensic Sci Int· May 2019

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Chromatographic separation of R-(-)/S-(+)-enantiomers of amphetamine and methamphetamine: differentiation between single methamphetamine consumption and co-consumption with amphetamine using enantioselective quantitative LC-MS/MS analysis.
Cornelius Hess, Moritz Losacker, Alexandra Maas

Int J Legal Med· March 2019

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Chromatographic separation of R/S-enantiomers of amphetamine and methamphetamine: Pathways of methamphetamine synthesis and detection in blood samples by qualitative enantioselective LC-MS/MS analysis.
Alexandra Maas, Moritz Losacker, Cornelius Hess

Forensic Sci Int· October 2018

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Considerations regarding the validation of chromatographic mass spectrometric methods for the quantification of endogenous substances in forensics.
Cornelius Hess, Konrad Sydow, Theresa Kueting, Michael Kraemer, Alexandra Maas

Forensic Sci Int· February 2018

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Confirmation of recent heroin abuse: Accepting the challenge.
Alexandra Maas, Burkhard Madea, Cornelius Hess

Drug Test Anal· January 2018

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Simultaneous extraction of propofol and propofol glucuronide from hair followed by validated LC-MS/MS analyses.
Alexandra Maas, Christoph Maier, Stefanie Iwersen-Bergmann, Burkhard Madea, Cornelius Hess

J Pharm Biomed Anal· November 2017

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Separation of ortho, meta and para isomers of methylmethcathinone (MMC) and methylethcathinone (MEC) using LC-ESI-MS/MS: Application to forensic serum samples.
Alexandra Maas, Konrad Sydow, Burkhard Madea, Cornelius Hess

J Chromatogr B Analyt Technol Biomed Life Sci· April 2017

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Urinary excretion study following consumption of various poppy seed products and investigation of the new potential street heroin marker ATM4G.
Alexandra Maas, Michael Krämer, Konrad Sydow, Pai-Shan Chen, Torsten Dame

Drug Test Anal· March 2017

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Verification of propofol sulfate as a further human propofol metabolite using LC-ESI-QQQ-MS and LC-ESI-QTOF-MS analysis.
Alexandra Maas, Christoph Maier, Beate Michel-Lauter, Sebastian Broecker, Burkhard Madea

Drug Metab Pers Ther· March 2017

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1,2-Dimethylimidazole-4-sulfonyl chloride (DMISC), a novel derivatization strategy for the analysis of propofol by LC-ESI-MS/MS.
Alexandra Maas, Christoph Maier, Beate Michel-Lauter, Burkhard Madea, Cornelius Hess

Anal Bioanal Chem· February 2017

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Driving under the influence of synthetic phenethylamines: a case series.
Alexandra Maas, Cornelia Wippich, Burkhard Madea, Cornelius Hess

Int J Legal Med· September 2015

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