Suchergebnisse

1

Beitrag

Results of confirmation procedures in the scope of the steroidal athlete biological passport in the Cologne laboratory from 2017-2019

von Mareck, Ute (Autor), ... Geyer, Hans (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. 41-44, Lit.

Verfügbarkeit

2

Beitrag

The ratio 5aAdiol/E as indicator for the detection of testosterone doping in athletes with naturally low T/E : a case study

von Geyer, Hans (Autor), ... Fußhöller, Gregor (Autor), Haenelt, Nadine (Autor), Mareck, Ute (Autor), Blatt, Christina (Autor), Gougoulidis, Vassilios (Autor), Hülsemann, Frank (Autor), Piper, Thomas (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. 90-93, Lit.

Verfügbarkeit

3

Artikel

Nutritional supplements cross-contaminated and faked with doping substances

von Geyer, Hans (Autor), ... Parr, Maria Kristina (Autor), Köhler, Karsten (Autor), Mareck, Ute (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor)
Erschienen in Journal of mass spectrometry : JMS, 43 (2008), 7 (Sports doping explored), S. 892-902, Lit.

Verfügbarkeit

4

Artikel

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.

Verfügbarkeit

5

Artikel

Factors influencing the steroid profile in doping control analysis

von Mareck, Ute (Autor), ... Geyer, Hans (Autor), Opfermann, Georg (Autor), Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Journal of mass spectrometry : JMS, 43 (2008), 7 (Sports doping explored), S. 877-891, Lit.

Verfügbarkeit

6

Artikel

Determination of 13C/12C ratios of endogenous urinary steroids : method validation, reference population and application to doping control purposes

von Piper, Thomas (Autor), ... Mareck, Ute (Autor), Geyer, Hans (Autor), Flenker, Ulrich (Autor), Thevis, Mario (Autor), Platen, Petra (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Rapid communications in mass spectrometry, 22 (2008), 14, S. 2161-2175, Lit.

Verfügbarkeit

7

Projekt

PCR based DNA analyses and steroid profiling for the detection of manipulation and individualization of urine samples in doping control

von Geyer, Hans (Leiter) ...
Deutsche Sporthochschule Köln / Institut für Biochemie
Projektlaufzeit: 12/2006-12/2007

8

Beitrag

Follow-up investigations of atypical passport findings for the ratio 5a-Androstane-3a,17b-diol/5b-Androstane-3a,17b-diol

von Haenelt, Nadine (Autor), ... Lourens, L. (Autor), Fußhöller, Gregor (Autor), Geyer, Hans (Autor), Goldmann, Linda (Autor), Schult, Claudia (Autor), Schwenke, Anne (Autor), Hülsemann, Frank (Autor), Gougoulidis, Vassilios (Autor), Blatt, Christina (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. 34-37, Lit.

Verfügbarkeit

9

Beitrag

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.

Verfügbarkeit