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.

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.

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.

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.

Proteases in doping control analysis

von Thevis, Mario (Autor), ... Maurer, J. (Autor), Kohler, M. (Autor), Geyer, Hans (Autor), Schänzer, Wilhelm (Autor)
Erschienen in International journal of sports medicine, 28 (2007), 7, S. 545-549, Lit.

δ13C-Values of endogenous urinary steroids

von Flenker, Ulrich (Autor), ... Güntner, Ute (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Steroids, 73 (2008), 4, S. 408-416, 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, Andreas (Autor), ... Geyer, Hans (Autor), Kamber, Matthias (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor)
Erschienen in Journal of mass spectrometry : JMS, 43 (2008), 7 (Sports doping explored), S. 908-915, 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.

Urine analysis concerning xenon for doping control purposes

von Thevis, Mario (Autor), ... Piper, Thomas (Autor), Geyer, Hans (Autor), Schaefer, Maximilian S. (Autor), Schneemann, Julia (Autor), Kienbaum, Peter (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Rapid communications in mass spectrometry, 29 (2014), 1, S. 61-66, Lit.

Do we excrete what we eat? : analysis of stable nitrogen isotope ratios of human urinary urea

von Hülsemann, Frank (Autor), ... Köhler, Karsten (Autor), Flenker, Ulrich (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Rapid communications in mass spectrometry, 31 (2017), 14, S. 1221-1227, Lit.

Androgen- and estrogen-receptor mediated activities of 4-hydroxytestosterone, 4-hydroxyandrostenedione and their human metabolites in yeast based assays

von Keiler, Annekathrin Martina (Autor), ... Zierau, Oliver (Autor), Wolf, Sylvi (Autor), Diel, Patrick Rene (Autor), Schänzer, Wilhelm (Autor), Vollmer, Günter (Autor), Machalz, David (Autor), Wolber, Gerhard (Autor), Parr, Maria Kristina (Autor)
Erschienen in Toxicology letters, 2018, 292, S. 39-45, Lit.

Metabolism of growth hormone releasing peptides

von Thomas, Andreas (Autor), ... Delahaut, Philippe (Autor), Krug, Oliver (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor)
Erschienen in Analytical chemistry, 84 (2012), 23, S. 10252-10259, Lit.

Sports drug testing : analytical aspects of selected cases of suspected, purported, and proven urine manipulation

von Thevis, Mario (Autor), ... Geyer, Hans (Autor), Sigmund, Gerd (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Journal of pharmaceutical and biomedical analysis, 57 (2012), S. 26-32, Lit.

Unexpected contribution of cytochrome P450 enzymes CYP11B2 and CYP21, as well as CYP3A4 in xenobiotic androgen elimination : insights from metandienone metabolism

von Parr, Maria Kristina (Autor), ... Zöllner, Andy (Autor), Fußhöller, Gregor (Autor), Opfermann, Georg (Autor), Schlörer, Nils (Autor), Zorio, Mirela (Autor), Bureik, Matthias (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Toxicology letters, 2013 (2012), 3, S. 381-391, Lit.

Mass spectrometric detection of peginesatide in human urine in doping control analysis

von Möller, Ines (Autor), ... Thomas, Andreas (Autor), Delahaut, Philippe (Autor), Geyer, Hans (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor)
Erschienen in Journal of pharmaceutical and biomedical analysis, 70 (2012), S. 512-517, Lit.

Determination of Vasopressin and Desmopressin in urine by means of liquid chromatography coupled to quadrupole time-of-flight mass spectrometry for doping control purposes

von Thomas, Andreas (Autor), ... Solymos, Emese (Autor), Schänzer, Wilhelm (Autor), Baume, Norbert (Autor), Saugy, Martial (Autor), Dellanna, Frank (Autor), Thevis, Mario (Autor)
Erschienen in Analytica chimica acta, 707 (2011), 1-2, S. 107-113, Lit.