Biotin as a masking agent in chorionic gonadotropin assays utilizing biotinylated antibodies

von Sobolevsky, Tim (Autor), ... Ahrens, Brian (Autor)
Erschienen in Drug testing and analysis, 13 (2021), 11/12 (The 39th Manfred Donike workshop on doping analysis), S. 1929-1935, Lit.

Oxymetholone and desoxymethyltestosterone : how many metabolites do we know? HPLC clean-up to identify the new targets

von Sobolevsky, Tim (Autor), ... Rodchenkov, Grigory (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. 39, Lit.

Long-term detection of dehydrochloromethyltestosterone : one-year experience

von Sobolevsky, Tim (Autor), ... Rodchenkov, Grigory (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. 34-37, Lit.

High-throughput liquid chromatography tandem mass spectrometry assay as initial testing procedure for analysis of total urinary fraction

von Sobolevsky, Tim (Autor), ... Ahrens, Brian (Autor)
Erschienen in Drug testing and analysis, 13 (2021), 2, S. 283-298, Lit.

Measurement of urinary cobalt as its complex with 2-(5-chloro-2-pyridylazo)-5-diethylaminophenol by liquid chromatography–tandem mass spectrometry for the purpose of anti-doping co...

von Sobolevsky, Tim (Autor), ... Ahrens, Brian (Autor)
Erschienen in Drug testing and analysis, 13 (2021), 6, S. 1145-1157, Lit.

Urinary concentrations of AICAR and mannitol in athlete population

von Sobolevsky, Tim (Autor), ... Ahrens, Brian (Autor)
Erschienen in Drug testing and analysis, 11 (2019), 3, S. 530-535, Lit.

Mass spectrometric description of novel oxymetholone and desoxymethyltestosterone metabolites identified in human urine and their importance for doping control

von Sobolevsky, Tim (Autor), ... Rodchenkov, Grigory (Autor)
Erschienen in Drug testing and analysis, 4 (2012), 9-10 (30th Cologne Workshop: Advances in sports drug testing), S. 682-691, Lit.

New designer anabolic steroids from internet

von Rodchenkov, Grigory (Autor), ... Sobolevsky, Tim (Autor), Sizoi, Vladimir (Autor)
Erschienen in Recent advances in doping analysis (14) : Proceedings of the Manfred Donike Workshop ; 24th Cologne Workshop on Dope Analysis ; 4th to 9th June 2006, Köln: Sportverl. Strauß (Verlag), 2006, S. 141-150, Lit.

Detection of urinary metabolites of AM-2201 and UR-144, novel synthetic cannabinoids

von Sobolevsky, Tim (Autor), ... Prasolov, Ilya (Autor), Rodchenkov, Grigory (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. 163, Lit.

Detection of selective androgen receptor modulator YK-11 in a doping control sample

von Sobolevsky, Tim (Autor), ... Kucherova, Yulia (Autor), Ahrens, Brian (Autor)
Erschienen in Drug testing and analysis, 16 (2024), 6, S. 655-660, Lit.

Isotopically labeled boldenone as a better marker of derivatization efficiency for improved quality control in anti‐doping analysis

von Sobolevsky, Tim (Autor), ... Kucherova, Yulia (Autor), Ahrens, Brian (Autor)
Erschienen in Drug testing and analysis, 11 (2019), 2, S. 336-340, Lit.

Detection of urinary metabolites of AM-2201 and UR-144, two novel synthetic cannabinoids

von Sobolevsky, Tim (Autor), ... Prasolov, Ilya (Autor), Rodchenkov, Grigory (Autor)
Erschienen in Drug testing and analysis, 4 (2012), 9-10 (30th Cologne Workshop: Advances in sports drug testing), S. 745-753, Lit.

Mass spectral characterization of novel dehydrochloromethyltestosterone and oxandrolone metabolites after HPLC clean-up

von Sobolevsky, Tim G. (Autor), ... Rodchenkov, G.M. (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. 49, Lit.

Meldonium residues in milk : a possible scenario for inadvertent doping in sports?

von Guddat, Sven (Autor), ... Görgens, Christian (Autor), Sobolevsky, Tim (Autor), Thevis, Mario (Autor)
Erschienen in Drug testing and analysis, 13 (2021), 11/12 (The 39th Manfred Donike workshop on doping analysis), S. 1906-1910, Lit.

Prosidol : new piperidine-type narcotic analgesic

von Sizoi, Vladimir (Autor), ... Sobolevsky, Tim (Autor), Appolonova, Svetlana (Autor), Rodchenkov, Grigory (Autor)
Erschienen in Recent advances in doping analysis (14) : Proceedings of the Manfred Donike Workshop ; 24th Cologne Workshop on Dope Analysis ; 4th to 9th June 2006, Köln: Sportverl. Strauß (Verlag), 2006, S. 111-119, Lit.

In vitro metabolic studies of AM2233 and JWH-210, novel synthetic cannabinoids

von Sobolevsky, Tim (Autor), ... Prasolov, Ilya (Autor), Dikunets, Marina (Autor), Rodchenkov, Grigory (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. 158-162, Lit.

Applicability of routine analytical procedures to detect andarine and ostarine. A comparative study

von Sobolevsky, Tim (Autor), ... Dikunets, Marina (Autor), Sukhanova, Irina (Autor), Rodchenkov, Grigory (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. 116-119, Lit.

AICAr to SAICAr ratio can serve as additional marker of AICAr use

von Sobolevsky, Tim (Autor), ... Piper, Thomas (Autor), Ahrens, Brian (Autor), Thevis, Mario (Autor)
Erschienen in Drug testing and analysis, 14 (2022), 11-12, S. 2017-2025, Lit.

Importance of phase II metabolites for the detection of beta-blockers by direct urine analysis

von Sobolevsky, Tim (Autor), ... Savelieva, Nadia (Autor), Semenistaya, Ekaterina N. (Autor), Rodchenkov, Grigory (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. 120-123, Lit.

Detection of PPARδ agonists GW1516 and GW0742 and their metabolites in human urine

von Sobolevsky, Tim (Autor), ... Dikunets, Marina (Autor), Sukhanova, Irina (Autor), Virus, Edward (Autor), Rodchenkov, Grigory (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. 157, Lit.