Probing for factors influencing exhaled breath drug testing in sports— Pilot studies focusing on the tested individual's tobacco smoking habit and sex

von Garzinsky, Ann‐Marie (Autor), ... Thomas, Andreas (Autor), Thevis, Mario (Autor)
Erschienen in Rapid communications in mass spectrometry, 36 (2022), 8, Art.-ID e9262 ; [9 S.], Lit.

Carbon isotope ratios of endogenous steroids found in human serum : method development, validation, and reference population-derived thresholds

von Piper, Thomas (Autor), ... Geyer, Hans (Autor), Nieschlag, Eberhard (Autor), Bally, Lia (Autor), Thevis, Mario (Autor)
Erschienen in Analytical and bioanalytical chemistry, 413 (2021), 22 (Recent Trends in (Bio)Analytical Chemistry), S. 5655-5667, Lit.

Metabolism of 4-hydroxyandrostenedione and 4-hydroxytestosterone

von Schänzer, Wilhelm (Leiter) ...
Deutsche Sporthochschule Köln / Institut für Biochemie
Projektlaufzeit: 02/2006-02/2007

Detectability of oxandrolone, metandienone, clostebol and dehydrochloromethyltestosterone in urine after transdermal application

von Gessner, Lina (Autor), ... Thevis, Mario (Autor), Rothschild, Markus Alexander (Autor), Jübner, Martin (Autor)
Erschienen in Drug testing and analysis, 14 (2022), 10, S. 1744-1761, Lit.

Post-mortem investigation into a death involving doping agents : the case of a body builder

von Favretto, Donata (Autor), ... Stocchero, Giulia (Autor), Pertile, Roberto (Autor), Stimamiglio, Raffaella (Autor), Cirnelli, Antonello (Autor), Galeazzi, Maddalena (Autor)
Erschienen in Drug testing and analysis, 14 (2022), 10, S. 1795-1799, Lit.

Stereoisomers in sports drug testing: Analytical strategies and applications

von Thomas, Andreas (Autor), ... Thevis, Mario (Autor)
Erschienen in Journal of chromatography / A, 2022, 1674, Art.-ID 463154, Lit.

Identification of trenbolone metabolites using hydrogen isotope ratio mass spectrometry and liquid chromatography/high accuracy/high resolution mass spectrometry for doping control...

von Putz, Marlen Svenja (Autor), ... Piper, Thomas (Autor), Thevis, Mario (Autor)
Erschienen in Frontiers in Chemistry, 8 (2020), Art.-ID 435; [15 S.], Lit.

Reporting and evaluation guidance for testosterone, epitestosterone, T/E ratio and other endogenous steroids

o.A.

Metrologie - Größen im Sport - Stimulanzien

Development of mass spectrometry-based methods for the detection of 11-ketotestosterone and 11-ketodihydrotestosterone

von Thevis, Mario (Leiter) ...
Deutsche Sporthochschule Köln / Institut für Biochemie
Projektlaufzeit: 02/2021-02/2023

Investigations into the human metabolism of Ecdysterone

von Thevis, Mario (Leiter) ...
Deutsche Sporthochschule Köln / Institut für Biochemie
Projektlaufzeit: 02/2022-02/2023

Dopinganalytik

von Müller, Rudhard Klaus (Autor) ...
Erschienen in Das Anti-Doping-Handbuch. Band 1: Grundlagen, Aachen: Meyer & Meyer (Verlag), 2007, S. 134-155, Lit.

Gaschromatographisch-massenspektrometrische Untersuchungen zum Nachweis renal ausgeschiedener Sulfatkonjugate von Steroidhormonen beim Menschen und Pferd

von Kuk, John Carsten von (Autor) ... Köln: 2003, 422 S., 1 CD-ROM, Lit.

Combination of liquid-chromatography tandem mass spectrometry in different scan modes with human and chimeric mouse urine for the study of steroid metabolism

von Pozo, Oscar J. (Autor), ... Lootens, Leen (Autor), Eenoo, Peter van (Autor), Deventer, Koen (Autor), Meuleman, Philip (Autor), Leroux-Roels, Geert (Autor), Parr, Maria K. (Autor), Schänzer, Wilhelm (Autor), Delbeke, Frans T. (Autor)
Erschienen in Drug testing and analysis, 1 (2009), 11/12, S. 554-567, Lit.

Identification of steroid isoxazole isomers marketed as designer supplement

von Parr, M.K. (Autor), ... Gütschow, M. (Autor), Daniels, J. (Autor), Opfermann, G. (Autor), Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Steroids, 74 (2009), 3, S. 322-328, Lit.

Terbutaline sulfoconjugate : characterization and urinary excretion monitored by LC/ESI-MS/MS

von Orlovius, Anne-Katrin (Autor), ... Guddat, Sven (Autor), Parr, Maria Kristina (Autor), Kohler, Maxie (Autor), Gütschow, M. (Autor), Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Drug testing and analysis, 1 (2009), 11/12, S. 568-575, Lit.

Detection and pharmacokinetics of tetrahydrogestrinone in horses

von Machnik, M. (Autor), ... Gerlach, M. (Autor), Kietzmann, M. (Autor), Niedrof, F. (Autor), Thevis, Mario (Autor), Schenk, I. (Autor), Guddat, S. (Autor), Düe, M. (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Journal of veterinary pharmacology and therapeutics, 32 (2009), 2, S. 197-202, Lit.

Development of criteria for the detection of adrenosterone administration by gas chromatography-mass spectrometry and gas chromatography-combustion-isotope ratio mass spectrometry...

von Brooker, Lance (Autor), ... Parr, Maria K. (Autor), Cawley, Adam (Autor), Flenker, Ulrich (Autor), Howe, Christopher (Autor), Kazlauskas, Rymantas (Autor), Schänzer, Wilhelm (Autor), George, Adrian (Autor)
Erschienen in Drug testing and analysis, 1 (2009), 11/12, S. 587-595, Lit.

Determination of the deuterium/hydrogen ratio of endogenous urinary steroids for doping control purposes

von Piper, Thomas (Autor), ... Thevis, Mario (Autor), Flenker, Ulrich (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Rapid communications in mass spectrometry, 23 (2009), 13, S. 1917-1926, Lit.

Annual banned-substance review : analytical approaches in human sports drug testing

von Thevis, Mario (Autor), ... Kuuranne, Tiia (Autor), Geyer, Hans (Autor)
Erschienen in Drug testing and analysis, 10 (2018), 1, S. 9-27, Lit.