Identification and quantification of the osmodiuretic mannitol in urine for sports drug testing using gas chromatography-mass spectrometry

von Guddat, Sven (Autor), ... Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in European journal of mass spectrometry, 14 (2008), 3, S. 127–133, Lit.

Identification and quantification of the plasma volume expander dextran in human urine by liquid chromatography–tandem mass spectrometry of enzymatically derived Isomaltose

von Guddat, Sven (Autor), ... Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Biomedical chromatography, 19 (2005), 10, S. 743-750, Lit.

Quantitative analysis of urinary glycerol levels for doping control purposes using gas chromatography-mass spectrometry

von Thevis, Mario (Autor), ... Guddat, Sven (Autor), Flenker, Ulrich (Autor), Schänzer, Wilhelm (Autor)
Erschienen in European journal of mass spectrometry, 14 (2008), 3, S. 117–125, Lit.

Urinary ethyl glucuronide in samples with elevated T/E ratios – evaluation of gender, sport discipline, type of control and concentration

von Mareck, Ute (Autor), ... Guddat, Sven (Autor), Geyer, Hans (Autor), Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Recent advances in doping analysis (21) : Proceedings of the Manfred-Donike-Workshop ; 31th Cologne Workshop on Dope Analysis ; 24th February to 1st March 2013, Köln: Sportverl. Strauß (Verlag), 2013, S. 109-112, Lit.

Octopamine and biogenic amines

von Koch, Anja (Autor), ... Sigmund, Gerhard (Autor), Guddat, Sven (Autor), Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Recent advances in doping analysis (18) : Proceedings of the Manfred-Donike-Workshop ; 28th Cologne Workshop on Dope Analysis , 7th to 12th March 2010, Köln: Sportverl. Strauß (Verlag), 2010, S. 163-166, Lit.

Determination of selected stimulants in urine for sports drug analysis by solid phase extraction via cation exchange and means of liquid chromatography-tandem mass spectrometry

von Thomas, Andreas (Autor), ... Sigmund, Gerd (Autor), Guddat, Sven (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor)
Erschienen in European journal of mass spectrometry, 14 (2008), 3, S. 135–143, Lit.

In vitro synthesis and characterisation of three fenoterol sulfoconjugates detected in fenoterol post-administration urine samples

von Orlovius, Anne-Katrin (Autor), ... Guddat, Sven (Autor), Gütschow, Michael (Autor), Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Analytical and bioanalytical chemistry, 405 (2007), 29, S. 9477-9487, Lit.

Doping control analysis of methoxyphenamine using liquid chromatography-tandem mass spectrometry

von Thevis, Mario (Autor), ... Sigmund, Gerd (Autor), Koch, Anja (Autor), Guddat, Sven (Autor), Maurer, Hans H. (Autor), Schänzer, Wilhelm (Autor)
Erschienen in European journal of mass spectrometry, 14 (2008), 3, S. 145–152, Lit.

Detection of urinary phase-I and phase-II metabolites of ephedrine and oxilofrine by LC-MS/MS

von Orlovius, Anne-Katrin (Autor), ... Parr, Maria Kristina (Autor), Guddat, Sven (Autor), Gütschow, Michael (Autor), Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Recent advances in doping analysis (18) : Proceedings of the Manfred-Donike-Workshop ; 28th Cologne Workshop on Dope Analysis , 7th to 12th March 2010, Köln: Sportverl. Strauß (Verlag), 2010, S. 152-155, Lit.

“Dilute-and-inject” multi-target screening assay for highly polar doping agents using hydrophilic interaction liquid chromatography high resolution/high accuracy mass spectrometry...

von Görgens, Christian (Autor), ... Guddat, Sven (Autor), Orlovius, Anne-Katrin (Autor), Sigmund, Gerd (Autor), Thomas, Andreas (Autor), Thevis, Mario (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Analytical and bioanalytical chemistry, 407 (2015), 18, S. 5365–5379, 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.

Pilot study on the effects of intravesical oxybutynin hydrochloride instillations on the validity of doping control urine samples

von Walpurgis, Katja (Autor), ... Scheiff, Anja Brigitta (Autor), Welz, Meike (Autor), Müller‐Reul, Jutta (Autor), Webborn, Nick (Autor), Görgens, Christian (Autor), Guddat, Sven (Autor), Fußhöller, Gregor (Autor), Dib, Josef (Autor), Thevis, Mario (Autor)
Erschienen in Drug testing and analysis, 11 (2019), 11/12 (37th Cologne workshop: Advances in sports drug testing), S. 1755-1760, 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.