Dietary supplement and food contaminations and their implications for doping controls

K Walpurgis, A Thomas, H Geyer, U Mareck, M Thevis - Foods, 2020 - mdpi.com
A narrative review with an overall aim of indicating the current state of knowledge and the
relevance concerning food and supplement contamination and/or adulteration with doping …

Chiral chromatography method screening strategies: past, present and future

A Tarafder, L Miller - Journal of Chromatography A, 2021 - Elsevier
Method screening is an integral part of chromatographic method development for the
separation of racemates. Due to the highly complex retention mechanism of a chiral …

Annual banned‐substance review: Analytical approaches in human sports drug testing 2019/2020

M Thevis, T Kuuranne, H Geyer - Drug testing and analysis, 2021 - Wiley Online Library
Analytical chemistry‐based research in sports drug testing has been a dynamic endeavor for
several decades, with technology‐driven innovations continuously contributing to significant …

Analytical approaches in human sports drug testing: recent advances, challenges, and solutions

M Thevis, K Walpurgis, A Thomas - Analytical chemistry, 2019 - ACS Publications
Technical innovations continuously offer new options for research and routine applications
in various arenas of analytical chemistry. In combination with a concomitantly increasing …

Mass spectrometry in sports drug testing—analytical approaches and the athletes' exposome

M Thevis, C Görgens, S Guddat… - … journal of medicine & …, 2024 - Wiley Online Library
Test methods in anti‐doping, most of which rely on the most modern mass spectrometric
instrumentation, undergo continuous optimization in order to accommodate growing …

A LC-MS/MS method for determination of clenbuterol enantiomers in animal tissues and its application to the enantioselective distribution in Bama mini-pigs

J Zhang, J Lu, Y Zhang, Y Wang - Journal of Chromatography B, 2023 - Elsevier
Objectives To establish and validate a simple and reliable analytical method for separation
and determination of clenbuterol enantiomers (R-(-)-clenbuterol & S-(+)-clenbuterol) in …

Do dried blood spots have the potential to support result management processes in routine sports drug testing?—Part 2: Proactive sampling for follow‐up …

M Thevis, T Kuuranne, A Thomas… - Drug testing and …, 2021 - Wiley Online Library
Capillary blood sampled as dried blood spot (DBS) has shown substantial potential as test
matrix in sports drug testing in various different settings, enabling the analysis of numerous …

Detection of clenbuterol residues in beef sausages and its enantiomeric analysis using UHPLC–MS/MS: A risk of unintentional doping in sport field

B Velasco‐Bejarano, R Velasco‐Carrillo… - Drug Testing and …, 2022 - Wiley Online Library
Clenbuterol (Clb) can be present in Mexico often but not all over the world in animal tissues
and organs, therefore, potentially is derived from animal sources as well. The aims of this …

VAMS and StAGE as innovative tools for the enantioselective determination of clenbuterol in urine by LC-MS/MS

M Protti, PM Sberna, R Sardella, T Vovk… - … of Pharmaceutical and …, 2021 - Elsevier
Clenbuterol is a chiral, selective β 2-adrenergic agonist. It is administered as a racemic
mixture for therapeutic purposes (as a bronchodilator or prospective neuroprotective agent) …

Determination and enantioselective separation of zilpaterol in human urine after mimicking consumption of contaminated meat using high‐performance liquid …

L Euler, F Wagener, A Thomas… - … in Mass Spectrometry, 2022 - Wiley Online Library
Rationale The synthetic β‐adrenoreceptor agonist zilpaterol is legitimately used as an
animal feed supplement in selected countries due to its known effects on lipolysis and …