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

Identification of oral antidiabetics and their metabolites in human urine by liquid chromatography/tandem mass spectrometry : a matter for doping control analysis

von Thevis, Mario (Autor), ... Geyer, Hans (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Rapid communications in mass spectrometry, 19 (2005), 7, S. 928-936, Lit.

Annual banned-substance review : analytical approaches in human sports drug testing 2019/2020

von Thevis, Mario (Autor), ... Kuuranne, Tiia (Autor), Geyer, Hans (Autor)
Erschienen in Drug testing and analysis, 13 (2021), 1, S. 8-35, Lit.

Annual banned-substance review : analytical approaches in human sports drug testing 2020/2021

von Thevis, Mario (Autor), ... Kuuranne, Tiia (Autor), Geyer, Hans (Autor)
Erschienen in Drug testing and analysis, 14 (2022), 1, S. 7-30, 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, 12 (2020), 1, S. 7-26, Lit.

Degradation of urine samples and its influence on the 13C/12C ratios of excreted steroids

von Piper, Thomas (Autor), ... Geyer, Hans (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Drug testing and analysis, 2 (2010), 11/12, S. 620-629, Lit.

HPLC clean-up for urine samples with disturbing background for confirmation of 17β-methyl-5β-androst-1-ene-3α,17α-diol (epimetenediol)

von Gotzmann, Andrea (Autor), ... Geyer, Hans (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Recent advances in doping analysis (4) : Proceedings of the Manfred Donike Workshop ; 14th Cologne Workshop on Dope Analysis ; 17th to 22nd March 1996, Köln: Sport u. Buch Strauß (Verlag), 1997, S. 239-246, 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.

Determination of therapeutics with growth-hormone secretagogue activity in human urine for doping control purposes

von Thevis, Mario (Autor), ... Wilkens, Frauke (Autor), Geyer, Hans (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Rapid communications in mass spectrometry, 20 (2006), 22, S. 3393-3402, Lit.

Identification of fentanyl, alfentanil, sufentanil, remifentanil and their major metabolites in human urine by liquid chromatography/tandem mass spectrometry for doping control pur...

von Thevis, Mario (Autor), ... Geyer, Hans (Autor), Bahr, Daniel (Autor), Schänzer, Wilhelm (Autor)
Erschienen in European journal of mass spectrometry, 11 (2005), 4, S. 419-427, Lit.

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

von Thevis, Mario (Autor), ... Kuuranne, Tiia (Autor), Geyer, Hans (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Drug testing and analysis, 6 (2014), 1/2 (Cannabinoids part II: The current situation with cannabinoids), S. 164-184, Lit.

Recent advances in doping analysis (15) : Proceedings of the Manfred Donike Workshop ; 25th Cologne Workshop on Dope Analysis ; 25th February to 2nd March 2007

von Schänzer, Wilhelm (Hrsg.), ... Geyer, Hans (Hrsg.), Gotzmann, Andrea (Hrsg.), Mareck, U. (Hrsg.) Köln: Sportverl. Strauß (Verlag), 2007, 444 S., Lit.

Recent advances in doping analysis (17) : Proceedings of the Manfred Donike Workshop ; 27th Cologne Workshop on Dope Analysis ; 1st to 6th March 2009

von Schänzer, Wilhelm (Hrsg.), ... Geyer, Hans (Hrsg.), Gotzmann, Andrea (Hrsg.), Mareck, Ute (Hrsg.) Köln: Sportverl. Strauß (Verlag), 2009, 334 S., Lit.

Recent advances in doping analysis (14) : Proceedings of the Manfred Donike Workshop ; 24th Cologne Workshop on Dope Analysis ; 4th to 9th June 2006

von Schänzer, Wilhelm (Hrsg.), ... Geyer, Hans (Hrsg.), Gotzmann, Andrea (Hrsg.), Mareck, U. (Hrsg.) Köln: Sportverl. Strauß (Verlag), 2006, 492 S., Lit.

The Cologne protocol to follow up high testosterone / epitestosterone ratios

von Geyer, Hans (Autor), ... Mareck-Engelke, U. (Autor), Schänzer, Wilhelm (Autor), Donike, M. (Autor)
Erschienen in Recent advances in doping analysis (4) : Proceedings of the Manfred Donike Workshop ; 14th Cologne Workshop on Dope Analysis ; 17th to 22nd March 1996, Köln: Sport u. Buch Strauß (Verlag), 1997, S. 108-125, Lit.

Doping-control analysis of the 5[alpha]-reductase inhibitor finasteride : determination of its influence on urinary steroid profiles and detection of its major urinary metabolite

von Thevis, Mario (Autor), ... Geyer, Hans (Autor), Mareck, Ute (Autor), Flenker, Ulrich (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Therapeutic drug monitoring, 29 (2007), 2, S. 236-247, Lit.

Sensitive detection of testosterone and testosterone prohormone administrations based on urinary concentrations and carbon isotope ratios of androsterone and etiocholanolone

von Piper, Thomas (Autor), ... Haenelt, Nadine (Autor), Fußhöller, Gregor (Autor), Geyer, Hans (Autor), Thevis, Mario (Autor)
Erschienen in Drug testing and analysis, 13 (2021), 11/12 (The 39th Manfred Donike workshop on doping analysis), S. 1835-1851, Lit.

Preliminary results regarding the detection of the misuse of testosterone gel

von Geyer, Hans (Autor), ... Flenker, U. (Autor), Mareck, U. (Autor), Sommer, F. (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Recent advances in doping analysis (12) : Proceedings of the Manfred Donike Workshop ; 22th Cologne Workshop on Dope Analysis ; 7th to 12th March 2004, Köln: Sport u. Buch Strauß (Verlag), 2004, S. 121-127, Lit.

Mass spectrometric determination of gonadotrophin-releasing hormone (GnRH) in human urine for doping control purposes by means of LC-ESI-MS/MS

von Thomas, A. (Autor), ... Geyer, Hans (Autor), Kamber, M. (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor)
Erschienen in Recent advances in doping analysis (16) : Proceedings of the Manfred Donike Workshop ; 26th Cologne Workshop on Dope Analysis ; 24th to 29th February 2008, Köln: Sportverl. Strauß (Verlag), 2008, S. 211-212, Lit.

Serum testosterone and urinary excretion of steroid hormone metabolites after administration of a high-dose zinc supplement.

von Köhler, Karsten (Autor), ... Parr, M.K. (Autor), Geyer, Hans (Autor), Mester, Joachim (Autor), Schänzer, Wilhelm (Autor)
Erschienen in European journal of clinical nutrition, 63 (2009), 1, S. 65-70, Lit.