[HTML][HTML] Metabolomic strategies in biomarker research–new approach for indirect identification of drug consumption and sample manipulation in clinical and forensic …

AE Steuer, L Brockbals, T Kraemer - Frontiers in Chemistry, 2019 - frontiersin.org
… A similar study using HRMS based metabolomics on endogenous changes in urine after
controlled GHB administration in humans was recently published by Steuer et al. Next to the …

[HTML][HTML] Advances in testing for sample manipulation in clinical and forensic toxicology-Part A: urine samples

DK Wissenbach, AE Steuer - Analytical and Bioanalytical Chemistry, 2023 - Springer
In many countries, adherence testing is used to monitor consumption behavior or to prove
abstinence. Urine and hair are most commonly used, although other biological fluids are …

Antemortem and postmortem influences on drug concentrations and metabolite patterns in postmortem specimens

FT Peters, AE Steuer - Wiley Interdisciplinary Reviews …, 2019 - Wiley Online Library
When interpreting postmortem analytical data, toxicologists must be aware that postmortem
concentrations of xenobiotics and/or their metabolites may be influenced by many factors. …

[HTML][HTML] Pharmacokinetics and pharmacodynamics of lysergic acid diethylamide in healthy subjects

PC Dolder, Y Schmid, AE Steuer, T Kraemer… - Clinical …, 2017 - Springer
Background and Objective Lysergic acid diethylamide (LSD) is used recreationally and in
clinical research. The aim of the present study was to characterize the pharmacokinetics and …

Liquid chromatography, in combination with a quadrupole time-of-flight instrument (LC QTOF), with sequential window acquisition of all theoretical fragment-ion …

AT Roemmelt, AE Steuer, M Poetzsch… - Analytical …, 2014 - ACS Publications
Forensic and clinical toxicological screening procedures are employing liquid
chromatography–tandem mass spectrometry (LC-MS/MS) techniques with information-dependent …

Shortened egg reappearance periods of equine cyathostomins following ivermectin or moxidectin treatment: morphological and molecular investigation of efficacy and …

MK Nielsen, AE Steuer, HP Anderson… - International journal for …, 2022 - Elsevier
… DNA was eluted in a final volume of 120 µl of AE buffer (10 mM Tris-Cl and 0.5 mM EDTA; …
and systemic inflammatory responses in the horses (Steuer et al., 2020, Steuer et al., 2022). …

Influence of different sewer biofilms on transformation rates of drugs

…, A Scheidegger, MM Madry, AE Steuer… - … science & technology, 2016 - ACS Publications
To estimate drug consumption more reliably, wastewater-based epidemiology would benefit
from a better understanding of drug residue stability during in-sewer transport. We …

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

…, D Gascho, J Jarmer, T Kraemer, AE Steuer - Forensic science …, 2016 - Elsevier
A fatal case of butyrfentanyl poisoning was investigated at the Zurich Institute of Forensic
Medicine. At admission at the institute approx. 9 h after death (first time point, t1), femoral and …

From the cover: zebrafish larvae are insensitive to stimulation by cocaine: importance of exposure route and toxicokinetics

KT Kirla, KJ Groh, AE Steuer, M Poetzsch… - Toxicological …, 2016 - academic.oup.com
Zebrafish (Danio rerio) larvae have been suggested as vertebrate model to complement or
even replace mammals for rapidly assessing behavioral effects of psychoactive drugs. Yet, …

Studies on the metabolism of the fentanyl‐derived designer drug butyrfentanyl in human in vitro liver preparations and authentic human samples using liquid …

AE Steuer, E Williner, SN Staeheli… - Drug Testing and …, 2017 - Wiley Online Library
Increasing numbers of new psychoactive substances (NPS) among them fentanyl derivatives
has been reported by the European monitoring centre for drugs and drug addiction (…