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.

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.

Identification of the aromatase inhibitor letrozole in urine by gas chromatography/mass spectrometry

von Mareck, Ute (Autor), ... Sigmund, Gerd (Autor), Opfermann, Georg (Autor), Geyer, Hans (Autor), Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Rapid communications in mass spectrometry, 19 (2005), 24, S. 3689-3693, Lit.

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 origin of urinary norandrosterone traces by gas chromatography combustion isotope ratio mass spectrometry

von Hebestreit, Moritz (Autor), ... Flenker, Ulrich (Autor), Fußhöller, Gregor (Autor), Geyer, Hans (Autor), Güntner, Ute (Autor), Mareck, Ute (Autor), Piper, Thomas (Autor), Thevis, Mario (Autor), Ayotte, Christiane (Autor), Schänzer, Wilhelm (Autor)
Erschienen in The Analyst, 131 (2006), 9, S. 1021-1026, 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.

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

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.

Investigations into the concentration and metabolite profiles of stanozolol and LGD-4033 in blood plasma and seminal fluid using liquid chromatography high-resolution mass spectrom...

von Breuer, Johanna (Autor), ... Thomas, Andreas (Autor), Delahaut, Philippe (Autor), Schänzer, Wilhelm (Autor), Geyer, Hans (Autor), Thevis, Mario (Autor)
Erschienen in Analytical and bioanalytical chemistry, 415 (2023), 4, S. 669–681, Lit.

Death after misuse of anabolic substances (clenbuterol, stanozolol and metandienone)

von Lehmann, Sabrina (Autor), ... Thomas, Andreas (Autor), Schiwy-Bochat, Karl-Heinz (Autor), Geyer, Hans (Autor), Thevis, Mario (Autor), Glenewinkel, Frank (Autor), Rothschild, Markus Alexander (Autor), Andresen-Streichert, Hilke (Autor), Jübner, Martin (Autor)
Erschienen in Forensic science international, 303 (2019), Art.-ID 109925, Lit.

Plasticizers excreted in urine : indication of autologous blood transfusion in sports

von Monfort, Núria (Autor), ... Ventura, Rosa Alemany (Autor), Platen, Petra (Autor), Hinrichs, Timo (Autor), Brixius, Klara (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor), Geyer, Hans (Autor), Segura, Jordi (Autor)
Erschienen in Transfusion, 52 (2012), 3, S. 647-657, Lit.

Detection of stanozolol and its major metabolites in human urine by liquid chromatography-tandem mass spectrometry

von Thevis, Mario (Autor), ... Fußhöller, Gregor (Autor), Geyer, Hans (Autor), Rodchenkov, Grigory (Autor), Sigmund, Gerd (Autor), Koch, A. (Autor), Thomas, Andreas (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Chromatographia, 64 (2006), 7/8, S. 441-446, Lit.

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.

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.

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.

Identification of the aromatase inhibitors anastrozole and exemestane in human urine using liquid chromatography/tandem mass spectrometry

von Mareck, Ute (Autor), ... Geyer, Hans (Autor), Guddat, Sven (Autor), Haenelt, Nadine (Autor), Koch, Anja (Autor), Kohler, Maxie (Autor), Opfermann, Georg (Autor), Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Rapid communications in mass spectrometry, 20 (2006), 12, S. 1954-1962, Lit.

Clenbuterol marketed as dietary supplement

von Parr, Maria Kristina (Autor), ... Köhler, Karsten (Autor), Geyer, Hans (Autor), Guddat, Sven (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Biomedical chromatography, 22 (2008), 3, S. 298-300, Lit.

Rapid determination of urinary di(2-ethylhexyl) phthalate metabolites based on liquid chromatography/tandem mass spectrometry as a marker for blood transfusion in sports drug testi...

von Solymos, Emese (Autor), ... Guddat, Sven (Autor), Geyer, Hans (Autor), Flenker, Ulrich (Autor), Thomas, Andreas (Autor), Segura, Jordi (Autor), Ventura, Rosa Alemany (Autor), Platen, Petra (Autor), Schulte-Mattler, Martin (Autor), Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Analytical and bioanalytical chemistry, 401 (2011), 2, S. 517-528, 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.