Search filters

List of works by Andrea E. Steuer

(Un)targeted hair metabolomics: first considerations and systematic evaluation on the impact of sample preparation

scientific article published on 23 May 2019

A possible new oxidation marker for hair adulteration: Detection of PTeCA (1H-pyrrole-2,3,4,5-tetracarboxylic acid) in bleached hair

scientific article published on 27 December 2019

Analytical considerations for (un)-targeted metabolomic studies with special focus on forensic applications

scientific article published on 28 November 2018

Analytical considerations for postmortem metabolomics using GC-high-resolution MS

scientific article published on 22 November 2019

Blood alcohol analysis alone versus comprehensive toxicological analysis - Systematic investigation of missed co-ingested other drugs in suspected alcohol-impaired drivers

scientific article published on 11 August 2016

Cheating on forensic hair testing? Detection of potential biomarkers for cosmetically altered hair samples using untargeted hair metabolomics

scientific article published on 12 August 2020

Chiral Plasma Pharmacokinetics of 3,4-Methylenedioxymethamphetamine and its Phase I and II Metabolites following Controlled Administration to Humans.

scientific article published on 22 September 2015

Chiral analysis of amphetamines in hair by liquid chromatography-tandem mass spectrometry: compliance-monitoring of attention deficit hyperactivity disorder (ADHD) patients under Elvanse® therapy and identification after controlled low-dose applicat

scientific article published on 24 April 2017

Comparative Untargeted Metabolomics Analysis of the Psychostimulants 3,4-Methylenedioxy-Methamphetamine (MDMA), Amphetamine, and the Novel Psychoactive Substance Mephedrone after Controlled Drug Administration to Humans

scientific article published on 27 July 2020

Comparison of conventional liquid chromatography-tandem mass spectrometry versus microflow liquid chromatography-tandem mass spectrometry within the framework of full method validation for simultaneous quantification of 40 antidepressants and neurol

scientific article published on 8 January 2015

Development and validation of a dynamic range-extended LC-MS/MS multi-analyte method for 11 different postmortem matrices for redistribution studies applying solvent calibration and additional (13)C isotope monitoring.

scientific article published on 22 September 2015

Development and validation of an LC-MS/MS method after chiral derivatization for the simultaneous stereoselective determination of methylenedioxy-methamphetamine (MDMA) and its phase I and II metabolites in human blood plasma

scientific article published on 04 November 2014

Development and validation of an ultra-fast and sensitive microflow liquid chromatography-tandem mass spectrometry (MFLC-MS/MS) method for quantification of LSD and its metabolites in plasma and application to a controlled LSD administration study i

scientific article published on 16 July 2016

Development of CT-guided biopsy sampling for time-dependent postmortem redistribution investigations in blood and alternative matrices--proof of concept and application on two cases.

scientific article published on 16 December 2015

Development of a high-speed MALDI-triple quadrupole mass spectrometric method for the determination of 3,4-methylenedioxymethamphetamine (MDMA) in oral fluid

scientific article published on 19 May 2015

Evaluation of drug incorporation into hair segments and nails by enantiomeric analysis following controlled single MDMA intakes

scientific article published on 31 October 2015

Evaluation of endogenous urinary biomarkers for indirect detection of urine adulteration attempts by five different chemical adulterants in mass spectrometry methods

scientific article published on 28 November 2018

First Time View on Human Metabolome Changes after a Single Intake of 3,4-Methylenedioxymethamphetamine in Healthy Placebo-Controlled Subjects.

scientific article published on 19 July 2017

From the Cover: Zebrafish Larvae Are Insensitive to Stimulation by Cocaine: Importance of Exposure Route and Toxicokinetics

scientific article

Hair Analysis: Contamination versus Incorporation from the Circulatory System-Investigations on Single Hair Samples Using Time-of-Flight Secondary Ion Mass Spectrometry and Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry

scientific article published on 07 March 2019

Human Metabolome Changes after a Single Dose of 3,4-Methylenedioxymethamphetamine (MDMA) with Special Focus on Steroid Metabolism and Inflammation Processes

scientific article published on 13 July 2018

Identification of new urinary gamma-hydroxybutyric acid markers applying untargeted metabolomics analysis following placebo-controlled administration to humans.

scientific article published on 12 December 2018

Impact of Cytochrome P450 2D6 Function on the Chiral Blood Plasma Pharmacokinetics of 3,4-Methylenedioxymethamphetamine (MDMA) and Its Phase I and II Metabolites in Humans.

scientific article

Influence of Different Sewer Biofilms on Transformation Rates of Drugs

scientific article

Inhibition potential of 3,4-methylenedioxymethamphetamine (MDMA) and its metabolites on the in vitro monoamine oxidase (MAO)-catalyzed deamination of the neurotransmitters serotonin and dopamine.

scientific article published on 22 December 2015

Liquid chromatography, in combination with a quadrupole time-of-flight instrument (LC QTOF), with sequential window acquisition of all theoretical fragment-ion spectra (SWATH) acquisition: systematic studies on its use for screenings in clinical and

scientific article

Liquid chromatography, in combination with a quadrupole time-of-flight instrument, with sequential window acquisition of all theoretical fragment-ion spectra acquisition: validated quantification of 39 antidepressants in whole blood as part of a sim

scientific article published on 30 July 2015

MALDI-MS drug analysis in biological samples: opportunities and challenges.

scientific article published on 15 August 2016

Method development and validation for simultaneous quantification of 15 drugs of abuse and prescription drugs and 7 of their metabolites in whole blood relevant in the context of driving under the influence of drugs--usefulness of multi-analyte cali

scientific article published in September 2014

Parameter Optimization for Feature and Hit Generation in a General Unknown Screening Method-Proof of Concept Study Using a Design of Experiment Approach for a High Resolution Mass Spectrometry Procedure after Data Independent Acquisition

scientific article published on 3 February 2018

Pharmacokinetics and Pharmacodynamics of Lysergic Acid Diethylamide in Healthy Subjects

scientific article published on 14 February 2017

Postmortem computed tomography and magnetic resonance imaging facilitates forensic autopsy in a fatal case of poisoning with formic acid, diphenhydramine, and ethanol

scientific article published on 18 July 2016

Postmortem distribution and redistribution of MDAI and 2-MAPB in blood and alternative matrices.

scientific article published on 12 August 2017

Postmortem metabolomics: Correlating time-dependent concentration changes of xenobiotic and endogenous compounds

scientific article published on 05 May 2020

Purple discoloration of the colon found during autopsy: Identification of betanin, its aglycone and metabolites by liquid chromatography-high-resolution mass spectrometry.

scientific article published on 26 March 2014

Retrospective monitoring of long-term recreational and dependent cocaine use in toenail clippings/scrapings as an alternative to hair

scientific article

Segmental hair analysis for differentiation of tilidine intake from external contamination using LC-ESI-MS/MS and MALDI-MS/MS imaging.

scientific article

Single hair analysis of small molecules using MALDI-triple quadrupole MS imaging and LC-MS/MS: investigations on opportunities and pitfalls.

scientific article

Studies on the metabolism of the fentanyl-derived designer drug butyrfentanyl in human in vitro liver preparations and authentic human samples using liquid chromatography-high resolution mass spectrometry (LC-HRMS).

scientific article published on 13 October 2016

Suitability evaluation of new endogenous biomarkers for the identification of nitrite-based urine adulteration in mass spectrometry methods

scientific article published on 12 September 2018

Systematic investigation of the incorporation mechanisms of zolpidem in fingernails.

scientific article

Time-Dependent Postmortem Redistribution of Opioids in Blood and Alternative Matrices.

scientific article published on 20 March 2018

Time-dependent postmortem redistribution of butyrfentanyl and its metabolites in blood and alternative matrices in a case of butyrfentanyl intoxication.

scientific article

Time-dependent postmortem redistribution of morphine and its metabolites in blood and alternative matrices-application of CT-guided biopsy sampling.

scientific article published on 03 December 2016

Towards Best Practice in Hair Metabolomic Studies: Systematic Investigation on the Impact of Hair Length and Color

scientific article published on 26 September 2020