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

The detection of the misuse of testosterone gel

von Geyer, Hans (Leiter) ...
Deutsche Sporthochschule Köln / Institut für Biochemie
Projektlaufzeit: 12/2004-04/2007

Direct quantification of Salbutamol in human urine by means of LC-MS/MS

von Thevis, Mario (Leiter) ...
Deutsche Sporthochschule Köln / Institut für Biochemie
Projektlaufzeit: 01/2006-02/2007

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.

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.

Untersuchung des Nahrungsergänzungsmittelmarktes auf Fälschungen mit Anabolika

von Geyer, Hans (Leiter) ...
Deutsche Sporthochschule Köln / Institut für Biochemie
Projektlaufzeit: 01/2006-01/2010

Detection of dehydroepiandrosterone misuse by means of gas chromatography-combustion-isotope ratio mass spectrometry

von Mareck, Ute (Autor), ... Geyer, Hans (Autor), Flenker, Ulrich (Autor), Piper, Thomas (Autor), Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in European journal of mass spectrometry, 13 (2007), 6, S. 419-426, Lit.

Determination of the prevalence of anabolic steroids, stimulants, and selected drugs subject to doping controls among elite sport students using analytical chemistry

von Thevis, Mario (Autor), ... Sauer, Michael (Autor), Geyer, Hans (Autor), Sigmund, Gerd (Autor), Mareck, Ute (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Journal of sports sciences, 26 (2008), 10, S. 1059-1065, Lit.

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.

High amounts of 17-methylated anabolic-androgenic steroids in effervescent tablets on the dietary supplement market

von Parr, Maria K. (Autor), ... Geyer, Hans (Autor), Hoffmann, Bernhard (Autor), Köhler, Karsten (Autor), Mareck, Ute (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Biomedical chromatography, 21 (2007), 2, S. 164-168, Lit.

Nutritional supplements cross-contaminated and faked with prohormones, "classic" anabolic steroids and "designer steroids"

von Geyer, Hans (Autor), ... Köhler, Karsten (Autor), Mareck, Ute (Autor), Parr, Maria Kristina (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor)
Erschienen in Effectiveness of the anti-doping fight: 2006 IAAF World Anti-Doping Symposium : book of proceedings ; 30 Septembre - 2 October 2006, Lausanne, Switzerland, Monaco: 2007, S. 95-99, Lit.

Detection of manipulation in doping control urine sample collection : a multidisciplinary approach to determine identical urine samples

von Thevis, Mario (Autor), ... Geyer, Hans (Autor), Mareck, Ute (Autor), Sigmund, Gerd (Autor), Henke, Jürgen (Autor), Henke, Lotte (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Analytical and bioanalytical chemistry, 388 (2007), 7, S. 1539-1543, Lit.

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.