Simplified confirmation analysis for Carboxy-THC

von Mareck, Ute (Autor), ... Fußhöller, Gregor (Autor), Geyer, Hans (Autor), Thevis, Mario (Autor)
Erschienen in Recent advances in doping analysis (29) : Proceedings of the Manfred Donike Workshop ; 39th Cologne Workshop on Dope Analysis 22nd to 26th March 2021, Hellenthal: Sportverl. Strauß (Verlag), 2021, S. 163-166, Lit.

Risk of unintentional antidoping rule violations by consumption of hemp products

von Mareck, Ute (Autor), ... Fußhöller, Gregor (Autor), Haenelt, Nadine (Autor), Thevis, Mario (Autor)
Erschienen in Recent advances in doping analysis (29) : Proceedings of the Manfred Donike Workshop ; 39th Cologne Workshop on Dope Analysis 22nd to 26th March 2021, Hellenthal: Sportverl. Strauß (Verlag), 2021, S. 128-132, Lit.

Recent advances in doping analysis (25) : Proceedings of the Manfred Donike Workshop ; 35th Cologne Workshop on Dope Analysis ; 5th to 10th March 2017

von Schänzer, Wilhelm (Hrsg.), ... Thevis, Mario (Hrsg.), Geyer, Hans (Hrsg.), Mareck, Ute (Hrsg.) Hellenthal: Sportverl. Strauß (Verlag), 2018, 221 S., 1 CD-ROM; USB Flash Drive, Lit.

Recent advances in doping analysis (26) : Proceedings of the Manfred Donike Workshop ; 36th Cologne Workshop on Dope Analysis ; 23rd to 26th April 2018

von Schänzer, Wilhelm (Hrsg.), ... Thevis, Mario (Hrsg.), Geyer, Hans (Hrsg.), Mareck, Ute (Hrsg.) Hellenthal: Sportverl. Strauß (Verlag), 2018, 250 S., 1 CD-ROM; USB Flash Drive, Lit.

Screening for unknown synthetic steroids in human urine by liquid chromatography-tandem mass spectrometry

von Thevis, Mario (Autor), ... Geyer, Hans (Autor), Mareck, Ute (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Journal of mass spectrometry : JMS, 40 (2005), 7, S. 955-962, 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), Thevis, Mario (Autor)
Erschienen in Recent advances in doping analysis (29) : Proceedings of the Manfred Donike Workshop ; 39th Cologne Workshop on Dope Analysis 22nd to 26th March 2021, Hellenthal: Sportverl. Strauß (Verlag), 2021, S. 185-186, Lit.

Probing for the presence of semenogelin in human urine by immunological and chromatographic-mass spectrometric methods in the context of sports drug testing

von Breuer, Johanna (Autor), ... Thomas, Andreas (Autor), Geyer, Hans (Autor), Thevis, Mario (Autor)
Erschienen in Analytical science advances, 3 (2022), 1-2, S. 21–28, Lit.

Metabolismus von 19-Norsteroiden

von Schänzer, Wilhelm (Leiter) ...
Deutsche Sporthochschule Köln / Institut für Biochemie
Projektlaufzeit: 11/1999-

Entwicklung eines alternativen Screening Instruments/Tools auf Basis von volumetrisch absorbtiver Microsampling Technologie (VAMS) zur frühzeitigen Identifizierung von RED-S

von Tuma, Chiara (Leiter) ...
Deutsche Sporthochschule Köln / Institut für Biochemie
Projektlaufzeit: 05/2023-05/2024

Testing doping agents from exhaled breath : pilot study data

von Krug, Oliver (Autor), ... Thomas, Andreas (Autor), Geyer, Hans (Autor), Thevis, Mario (Autor)
Erschienen in Recent advances in doping analysis (26) : Proceedings of the Manfred Donike Workshop ; 36th Cologne Workshop on Dope Analysis ; 23rd to 26th April 2018, Hellenthal: Sportverl. Strauß (Verlag), 2018, S. 21-28, Lit.

Metabolism of human insulin after subcutaneous administration : a possible means to uncover insulin misuse

von Thomas, Andreas (Autor), ... Brinkkötter, Paul (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor)
Erschienen in Analytica chimica acta, 897 (2015), S. 53-61, Lit.

Determination of benzimidazole- and bicyclic hydantoin-derived selective androgen receptor antagonists and agonists in human urine using LC–MS/MS

von Thevis, Mario (Autor), ... Kohler, Maxie (Autor), Thomas, Andreas (Autor), Maurer, Joachim (Autor)
Erschienen in Analytical and bioanalytical chemistry, 391 (2008), 1, S. 251-261, Lit.

Gas phase reaction of substituted isoquinolines to carboxylic acids in ion trap and triple quadrupole mass spectrometers after electrospray ionization and collision-induced dissoci...

von Thevis, Mario (Autor), ... Kohler, Maxie (Autor), Schlörer, Nils (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Journal of the American Society for mass spectrometry, 19 (2008), 1, S. 151-158, Lit.

Determination of 13C/12C ratios of endogenous urinary steroids excreted as sulpho conjugates

von Piper, Thomas (Autor), ... Opfermann, Georg (Autor), Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Rapid communications in mass spectrometry, 24 (2010), 21, S. 3171-3181, Lit.

Facilitated qualitative determination of insulin, its synthetic analogs, and C-Peptide in human urine by means of LC–HRMS

von Thomas, Andreas (Autor), ... Benzenberg, Lukas (Autor), Bally, Lia (Autor), Thevis, Mario (Autor)
Erschienen in Metabolites, 11 (2021), 5 (Insulin: A Life-Saving Hormone and Key Regulator of Metabolism), Art.-ID 309, [13 S.], Lit.

Investigations on the in vivo metabolism of 5α-androst-2-en-17-one

von Piper, Thomas (Autor), ... Fußhöller, Gregor (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor)
Erschienen in Rapid communications in mass spectrometry, 36 (2022), 17, Art.-ID e9343, [14 S.], Lit.

Prevalence of the imidazole derivatives naphazoline, oxymetazoline and xylometa-zoline in doping control samples

von Sigmund, Gerd (Autor), ... Geyer, Hans (Autor), Görgens, Christian (Autor), Thevis, Mario (Autor)
Erschienen in Recent advances in doping analysis (28) : Proceedings of the Manfred Donike Workshop ; 38th Cologne Workshop on Dope Analysis 9th to 14th February 2020, Hellenthal: Sportverl. Strauß (Verlag), 2020, S. 28-31, Lit.

Studies on the collision-induced dissociation of adipoR agonists after electrospray ionization and their implementation in sports drug testing

von Dib, Josef (Autor), ... Schlörer, Nils (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor)
Erschienen in Journal of mass spectrometry : JMS, 50 (2015), 2, S. 407-417, Lit.

Simultaneous determination of insulin, DesB30 insulin, proinsulin, and C-peptide in human plasma samples by liquid chromatography coupled to high resolution mass spectrometry

von Thomas, Andreas (Autor), ... Brinkkötter, Paul T. (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor)
Erschienen in Forensic toxicology, 35 (2017), 1, S. 106-113, Lit.

Expanding analytical options in sports drug testing : mass spectrometric detection of prohibited substances in exhaled breath

von Thevis, Mario (Autor), ... Krug, Oliver (Autor), Geyer, Hans (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Rapid communications in mass spectrometry, 31 (2017), 15, S. 1290-1296, Lit.