Improvement of the detection of stanozolol by the use of new mass spectrometric technologies

von Schänzer, Wilhelm (Leiter) ...
Deutsche Sporthochschule Köln / Institut für Biochemie
Projektlaufzeit: 08/2006-08/2007

Investigations on the deconjugation processes of conjugated urinary steroids during degradation with 18O labelled water

von Piper, Thomas (Autor), ... Fußhöller, Gregor (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Recent advances in doping analysis (19) : Proceedings of the Manfred-Donike-Workshop ; 29th Cologne Workshop on Dope Analysis ; 13th to 18th February 2011, Köln: Sportverl. Strauß (Verlag), 2011, S. 296-299, Lit.

Zeranol - doping offence or mycotoxin? : a case-related study

von Thevis, Mario (Autor), ... Fußhöller, Gregor (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Drug testing and analysis, 3 (2011), 11/12 (29th Cologne Workshop: Advances in Sports Drug Testing), S. 777-783, 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.

Additional investigations in connection with atypical findings for 19-norandrosterone : a case study

von Fußhöller, Gregor (Autor), ... Geyer, Hans (Autor), Haenelt, Nadine (Autor), Hülsemann, Frank (Autor), Gougoulidis, Vassilios (Autor), Blatt, Christina (Autor), Thevis, Mario (Autor)
Erschienen in Recent advances in doping analysis (29) : Proceedings of the Manfred Donike Workshop ; 39th Cologne Workshop on Dope Analysis 22nd to 26th March 2021, Hellenthal: Sportverl. Strauß (Verlag), 2021, S. 38-40, Lit.

Simplified confirmation analysis for Carboxy-THC

von Mareck, Ute (Autor), ... Fußhöller, Gregor (Autor), Geyer, Hans (Autor), Thevis, Mario (Autor)
Erschienen in Recent advances in doping analysis (29) : Proceedings of the Manfred Donike Workshop ; 39th Cologne Workshop on Dope Analysis 22nd to 26th March 2021, Hellenthal: Sportverl. Strauß (Verlag), 2021, S. 163-166, 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 Recent advances in doping analysis (29) : Proceedings of the Manfred Donike Workshop ; 39th Cologne Workshop on Dope Analysis 22nd to 26th March 2021, Hellenthal: Sportverl. Strauß (Verlag), 2021, S. 187-188, Lit.

Risk of unintentional antidoping rule violations by consumption of hemp products

von Mareck, Ute (Autor), ... Fußhöller, Gregor (Autor), Haenelt, Nadine (Autor), Thevis, Mario (Autor)
Erschienen in Recent advances in doping analysis (29) : Proceedings of the Manfred Donike Workshop ; 39th Cologne Workshop on Dope Analysis 22nd to 26th March 2021, Hellenthal: Sportverl. Strauß (Verlag), 2021, S. 128-132, Lit.

Results of confirmation procedures in the scope of the steroidal athlete biological passport in the Cologne laboratory from 2017-2019

von Mareck, Ute (Autor), ... Geyer, Hans (Autor), Fußhöller, Gregor (Autor), Haenelt, Nadine (Autor), Thevis, Mario (Autor)
Erschienen in Recent advances in doping analysis (29) : Proceedings of the Manfred Donike Workshop ; 39th Cologne Workshop on Dope Analysis 22nd to 26th March 2021, Hellenthal: Sportverl. Strauß (Verlag), 2021, S. 41-44, Lit.

Case Study : atypical δ13C values of urinary norandrosterone

von Hülsemann, Frank (Autor), ... Gougoulidis, Vassilios (Autor), Schertel, Thomas (Autor), Fußhöller, Gregor (Autor), Flenker, Ulrich (Autor), Piper, Thomas (Autor), Thevis, Mario (Autor)
Erschienen in Drug testing and analysis, 10 (2018), 11/12 (36th Cologne workshop: Advances in sports drug testing), S. 1728-1733, 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.

Follow-up investigations of atypical passport findings for the ratio 5a-Androstane-3a,17b-diol/5b-Androstane-3a,17b-diol

von Haenelt, Nadine (Autor), ... Lourens, L. (Autor), Fußhöller, Gregor (Autor), Geyer, Hans (Autor), Goldmann, Linda (Autor), Schult, Claudia (Autor), Schwenke, Anne (Autor), Hülsemann, Frank (Autor), Gougoulidis, Vassilios (Autor), Blatt, Christina (Autor), Thevis, Mario (Autor)
Erschienen in Recent advances in doping analysis (29) : Proceedings of the Manfred Donike Workshop ; 39th Cologne Workshop on Dope Analysis 22nd to 26th March 2021, Hellenthal: Sportverl. Strauß (Verlag), 2021, S. 34-37, 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.

Excretion of 19-norandrosterone after consumption of boar meat

von Hülsemann, Frank (Autor), ... Fußhöller, Gregor (Autor), Lehn, Christine (Autor), Thevis, Mario (Autor)
Erschienen in Drug testing and analysis, 12 (2020), 11/12 (The 38th Manfred Donike workshop on doping analysis), S. 1581-1586, 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.

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.

Investigations on carbon isotope ratios and concentrations of urinary formestane

von Piper, Thomas (Autor), ... Fußhöller, Gregor (Autor), Emery, Caroline (Autor), Schänzer, Wilhelm (Autor), Saugy, Martial (Autor)
Erschienen in Drug testing and analysis, 4 (2012), 12 (Stable isotope ratio analysis in sports anti-doping), S. 942-950, Lit.

Screening for two selective androgen receptor modulators using gas chromatography-mass spectrometry in doping control analysis

von Thevis, Mario (Autor), ... Kohler, Maxie (Autor), Schlörer, Nils (Autor), Fußhöller, Gregor (Autor), Schänzer, Wilhelm (Autor)
Erschienen in European journal of mass spectrometry, 14 (2008), 3, S. 153–161, Lit.

Electron ionization mass spectrometry of the ryanodine receptor-based Ca2+-channel stabilizer S-107 and its implementation into routine doping control

von Thevis, Mario (Autor), ... Beuck, Simon (Autor), Thomas, Andreas (Autor), Fußhöller, Gregor (Autor), Sigmund, Gerg (Autor), Schlörer, Nils (Autor), Rodchenkov, Grigory (Autor), Schäfer, Mathias (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Rapid communications in mass spectrometry, 23 (2009), 15, S. 2363-2370, Lit.

Studies on the in vivo metabolism of the SARM YK11 : Identification and characterization of metabolites potentially useful for doping controls

von Piper, Thomas (Autor), ... Dib, Josef (Autor), Putz, Marlen Svenja (Autor), Fußhöller, Gregor (Autor), Pop, Valentin (Autor), Lagojda, Andreas (Autor), Kuehne, Dirk (Autor), Geyer, Hans (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor)
Erschienen in Drug testing and analysis, 10 (2018), 11/12 (36th Cologne workshop: Advances in sports drug testing), S. 1646-1656, Lit.