Bestimmung von urinär ausgeschiedenen körpereigenen Steroidhormonen und ihrer Metaboliten bei Sportlern (Steroidprofilanalytik)

von Schänzer, Wilhelm (Leiter) ...
Deutsche Sporthochschule Köln / Institut für Biochemie
Projektlaufzeit: 01/1990-

Nahrungsergänzungsmittel-Alternativen mit geringem Dopingrisiko

von Parr, Maria Kristina (Autor), ... Geyer, Hans (Autor), Gülker, Andrea (Autor), Mareck, Ute (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Leistungssport, 33 (2003), 6, S. 31-32, Lit.

GC -single and -triple quadrupole mass spectrometry in steroid profiling

von Mareck, Ute (Autor), ... Fußhöller, Gregor (Autor), Geyer, Hans (Autor), Opfermann, Georg (Autor), Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Recent advances in doping analysis (20) : Proceedings of the Manfred-Donike-Workshop ; 30th Cologne Workshop on Dope Analysis ; 26th February to 2nd March 2012 2. Variante, Köln: Sportverl. Strauß (Verlag), 2012, S. 189-192, 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 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.

Risk of unintentional antidoping rule violations by consumption of hemp products

von Mareck, Ute (Autor), ... Fußhöller, Gregor (Autor), Schertel, Thomas (Autor), Petring, Simon (Autor), Huestis, Marilyn A. (Autor), Thevis, Mario (Autor)
Erschienen in Drug testing and analysis, 15 (2023), 1 (The 40th Manfred Donike workshop on doping analysis), S. 27-41, 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.

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.

Preliminary data on the potential for unintentional antidoping rule violations by permitted cannabidiol (CBD) use

von Mareck, Ute (Autor), ... Fußhöller, Gregor (Autor), Geyer, Hans (Autor), Huestis, Marilyn A. (Autor), Scheiff, Anja Brigitta (Autor), Thevis, Mario (Autor)
Erschienen in Drug testing and analysis, 13 (2021), 3, S. 539-549, 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.

Health risks of nutritional supplements

von Geyer, Hans (Autor), ... Henze, Maria (Autor), Machnik, Marc (Autor), Mareck-Engelke, Ute (Autor), Schrader, Yvonne (Autor), Sigmund, Gerd (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Biomedical side effects of doping : project of the European Union, Köln: Sport u. Buch Strauß (Verlag), 2001, S. 141-153, Lit.

Reporting and managing elevated testosterone/epitestosterone ratios : novel aspects after five years' experience

von Mareck, Ute (Autor), ... Geyer, Hans (Autor), Fußhöller, Gregor (Autor), Schwenke, Anne (Autor), Haenelt, Nadine (Autor), Piper, Thomas (Autor), Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Drug testing and analysis, 2 (2010), 11/12, S. 637-642, Lit.

Determination of 13C/12C ratios of urinary epitestosterone and its main metabolites 5- and 5-androstane-3, 17-diol

von Piper, Thomas (Autor), ... Riemann, Phillip (Autor), Opfermann, Georg (Autor), Mareck, Ute (Autor), Geyer, Hans (Autor), Vâjialã, Graziela (Autor), Flenker, Ulrich (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Drug testing and analysis, 1 (2009), 11/12, S. 576-586, Lit.

Temporal indication of cannabis use by means of THC glucuronide determination

von Mareck, Ute (Autor), ... Haenelt, Nadine (Autor), Geyer, Hans (Autor), Guddat, Sven (Autor), Kamber, Matthias (Autor), Brenneisen, Rudolf (Autor), Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Drug testing and analysis, 1 (2009), 11/12, S. 505 - 510, Lit.

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.

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.