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Mario Thevis

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Doping in Sports

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TOP 3
Mario Thevis; Simon Beuck; Hans Geyer; Thomas Piper; Wilhelm Schänzer
Expanding sports drug testing assays: Mass spectrometric characterization of the selective androgen receptor modulator drug candidates RAD140 and ACP-105.
Mario Thevis; Andreas Thomas; Valentin Pop; Wilhelm Schänzer
Ultrahigh pressure liquid chromatography-(tandem) mass spectrometry in human sports drug testing: Possibilities and limitations.
Mario Thevis; Oliver Krug; Wilhelm Schänzer
Monitoring phosphodiesterase-4 inhibitors using liquid chromatography/(tandem) mass spectrometry in sports drug testing.

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All Publications

2013: Mario Thevis; Simon Beuck; Hans Geyer; Thomas Piper; Wilhelm Schänzer
Expanding sports drug testing assays: Mass spectrometric characterization of the selective androgen receptor modulator drug candidates RAD140 and ACP-105.
Rapid communications in mass spectrometry : RCM 2013;27(11):1173-82.
2013: Mario Thevis; Andreas Thomas; Valentin Pop; Wilhelm Schänzer
Ultrahigh pressure liquid chromatography-(tandem) mass spectrometry in human sports drug testing: Possibilities and limitations.
Journal of chromatography. A 2013;1292():38-50.
2013: Mario Thevis; Oliver Krug; Wilhelm Schänzer
Monitoring phosphodiesterase-4 inhibitors using liquid chromatography/(tandem) mass spectrometry in sports drug testing.
Rapid communications in mass spectrometry : RCM 2013;27(9):993-1004.
2013: Axel Rydevik; Mario Thevis; Ulf Bondesson; Oliver Krug; Mikael Hedeland
The fungus Cunninghamella elegans can produce human and equine metabolites of selective androgen receptor modulators (SARMs).
Xenobiotica; the fate of foreign compounds in biological systems 2013;43(5):409-20.
2013: Christian Reichel; Mario Thevis
Gel electrophoretic methods for the analysis of biosimilar pharmaceuticals using the example of recombinant erythropoietin.
Bioanalysis 2013;5(5):587-602.
2013: Maxie Kohler; Sven Nyrén; AnnSofi Sandberg; C Magnus Sköld; Mario Thevis; Andreas Thomas; Anders Eklund; Reza Karimi; Sanela Kjellqvist; Asa M Wheelock
Gender differences in the bronchoalveolar lavage cell proteome of patients with chronic obstructive pulmonary disease.
The Journal of allergy and clinical immunology 2013;131(3):743-51.
2013: Thomas Piper; Karoline Degenhardt; Eugen Federherr; Mario Thevis; Andreas Thomas; Martial Saugy
Effect of changes in the deuterium content of drinking water on the hydrogen isotope ratio of urinary steroids in the context of sports drug testing.
Analytical and bioanalytical chemistry 2013;405(9):2911-21.
2013: Mario Thevis; Andreas Thomas; Simon Beuck; Anthony Butch; Jiri Dvorak; Wilhelm Schänzer
Does the analysis of the enantiomeric composition of clenbuterol in human urine enable the differentiation of illicit clenbuterol administration from food contamination in sports drug testing?
Rapid communications in mass spectrometry : RCM 2013;27(4):507-12.
2013: Sebastian Höppner; Wilhelm Schänzer; Mario Thevis
Fragmentation studies of SIRT1-activating drugs and their detection in human plasma for doping control purposes.
Rapid communications in mass spectrometry : RCM 2013;27(1):35-50.
2013: Marijke Grau; Sebastian Pauly; Jamal Ali; Wilhelm Bloch; Mario Thevis; Katja Walpurgis; Frank Suhr
RBC-NOS-dependent S-nitrosylation of cytoskeletal proteins improves RBC deformability.
PloS one 2013;8(2):e56759.
2013: Mario Thevis; Hans Geyer; Tiia Kuuranne; Wilhelm Schänzer
Annual banned-substance review: analytical approaches in human sports drug testing.
Drug testing and analysis 2013;5(1):1-19.
2013: Mario Thevis; Simon Beuck; Ines Möller; Wilhelm Schänzer
Synthesis, mass spectrometric characterization, and analysis of the PPARδ agonist GW1516 and its major human metabolites: targets in sports drug testing.
Methods in molecular biology (Clifton, N.J.) 2013;952():301-12.
2013: Mario Thevis; Detlef Thieme; Andreas Thomas; Simon Beuck; Ulrich Flenker; Hans Geyer; Joachim Grosse; Ruben Holland; Claudia Rautenberg; Wilhelm Schänzer; Jiri Dvorak
Traditional Chinese medicine and sports drug testing: identification of natural steroid administration in doping control urine samples resulting from musk (pod) extracts.
British journal of sports medicine 2013;47(2):109-14.
2012: Viorica Lopez-Avila; James Cooley; Randall Urdahl; Mario Thevis
Determination of stimulants using gas chromatography/high-resolution time-of-flight mass spectrometry and a soft ionization source.
Rapid communications in mass spectrometry : RCM 2012;26(23):2714-24.
2012: Andreas Thomas; Philippe Delahaut; Oliver Krug; Wilhelm Schänzer; Mario Thevis
Metabolism of growth hormone releasing peptides.
Analytical chemistry 2012;84(23):10252-9.
2012: Katja Walpurgis; Folker Wenzel; Andreas Thomas; Hans Geyer; Maxie Kohler; Wilhelm Schänzer; Mario Thevis
Storage-induced changes of the cytosolic red blood cell proteome analyzed by 2D DIGE and high-resolution/high-accuracy MS.
Proteomics 2012;12(21):3263-72.
2012: Ines Möller; Wilhelm Schänzer; Philippe Delahaut; Hans Geyer; Andreas Thomas; Mario Thevis
Mass spectrometric detection of peginesatide in human urine in doping control analysis.
Journal of pharmaceutical and biomedical analysis 2012;70():512-7.
2012: Christian Reichel; Mario Thevis
Detection of EPO-Fc fusion protein in human blood: screening and confirmation protocols for sports drug testing.
Drug testing and analysis 2012;4(11):818-29.
2012: Simon Beuck; Wilhelm Schänzer; Mario Thevis
Hypoxia-inducible factor stabilizers and other small-molecule erythropoiesis-stimulating agents in current and preventive doping analysis.
Drug testing and analysis 2012;4(11):830-45.
2012: Andreas Thomas; Katja Walpurgis; Oliver Krug; Wilhelm Schänzer; Mario Thevis
Determination of prohibited, small peptides in urine for sports drug testing by means of nano-liquid chromatography/benchtop quadrupole orbitrap tandem-mass spectrometry.
Journal of chromatography. A 2012;1259():251-7.
2012: Cornelius Hess; Burkhard Madea; Wulf Quester; Bernd Stratmann; Mario Thevis; Andreas Thomas; Diethelm Tschoepe; Frank Musshoff
Simultaneous determination and validated quantification of human insulin and its synthetic analogues in human blood serum by immunoaffinity purification and liquid chromatography-mass spectrometry.
Analytical and bioanalytical chemistry 2012;404(6-7):1813-22.
2012: Thomas Piper; Mario Thevis; Andreas Thomas; Martial Saugy
Investigations on hydrogen isotope ratios of endogenous urinary steroids: reference-population-based thresholds and proof-of-concept.
Drug testing and analysis 2012;4(9):717-27.
2012: S Beuck; A Koch; D Kwiatkowska; A Pokrywka; Wilhelm Schänzer; Gerd Sigmund; Mario Thevis
Identification and characterization of urinary prenylamine metabolites by means of liquid chromatography-tandem mass spectrometry.
Drug testing and analysis 2012;4(9):701-16.
2012: Katja Walpurgis; Folker Wenzel; Andreas Thomas; Hans Geyer; Maxie Kohler; Wilhelm Schänzer; Mario Thevis
Validated hemoglobin-depletion approach for red blood cell lysate proteome analysis by means of 2D PAGE and Orbitrap MS.
Electrophoresis 2012;33(16):2537-45.
2012: Osquel Barroso; David J Handelsman; Christian Strasburger; Mario Thevis
Analytical challenges in the detection of peptide hormones for anti-doping purposes.
Bioanalysis 2012;4(13):1577-90.
2012: Ines Möller; Wilhelm Schänzer; Hans Geyer; Andreas Thomas; Mario Thevis
Development and validation of a mass spectrometric detection method of peginesatide in dried blood spots for sports drug testing.
Analytical and bioanalytical chemistry 2012;403(9):2715-24.
2012: Sven Guddat; N Haenelt; C Klose; H Braun; G Fußhöller; Hans Geyer; A Schwenke; Mario Thevis; Andreas Thomas; Wilhelm Schänzer
Clenbuterol - regional food contamination a possible source for inadvertent doping in sports.
Drug testing and analysis 2012;4(6):534-8.
2012: Andreas Thomas; Catharina Crone; Hans Geyer; Markus Kellmann; Thomas Moehring; Wilhelm Schänzer; Mario Thevis
Sensitive determination of prohibited drugs in dried blood spots (DBS) for doping controls by means of a benchtop quadrupole/Orbitrap mass spectrometer.
Analytical and bioanalytical chemistry 2012;403(5):1279-89.
2012: Mario Thevis; Andreas Thomas; Anja Koch; Gerd Sigmund; Wilhelm Schänzer
Analysis of octopamine in human doping control samples.
Biomedical chromatography : BMC 2012;26(5):610-5.
2012: Mario Thevis; Dietrich A Volmer
Recent instrumental progress in mass spectrometry: advancing resolution, accuracy, and speed of drug detection.
Drug testing and analysis 2012;4(3-4):242-5.
2012: Mario Thevis; Andreas Thomas; Simon Beuck; Joseph Held; Sebastian Höppner; Jos Oomens; Mathias Schäfer; Wilhelm Schänzer
Structure elucidation of the diagnostic product ion at m/z 97 derived from androst-4-en-3-one-based steroids by ESI-CID and IRMPD spectroscopy.
Journal of the American Society for Mass Spectrometry 2012;23(3):537-46.
2012: Núria Monfort; Petra Platen; Wilhelm Schänzer; Klara Brixius; Hans Geyer; Timo Hinrichs; Mario Thevis; Rosa Ventura; Jordi Segura
Plasticizers excreted in urine: indication of autologous blood transfusion in sports.
Transfusion 2012;52(3):647-57.
2012: Michael Bredehöft; Maria-Kristina Parr; Rainer Baginski; Mario Thevis; Wilhelm Schänzer
Investigations of the microbial transformation of cortisol to prednisolone in urine samples.
The Journal of steroid biochemistry and molecular biology 2012;129(1-2):54-60.
2012: Andreas Thomas; Philippe Delahaut; Wilhelm Schänzer; Mario Thevis
Immunoaffinity purification of peptide hormones prior to liquid chromatography-mass spectrometry in doping controls.
Methods (San Diego, Calif.) 2012;56(2):230-5.
2012: Mario Thevis; Gerd Sigmund; Hans Geyer; Wilhelm Schänzer
Sports drug testing: Analytical aspects of selected cases of suspected, purported, and proven urine manipulation.
Journal of pharmaceutical and biomedical analysis 2012;57():26-32.
2012: Ines Möller; Wilhelm Schänzer; Andreas Thomas; Anke Wingender; Marc Machnik; Mario Thevis
Detection of peginesatide in equine serum using liquid chromatography-tandem mass spectrometry for doping control purposes.
European journal of mass spectrometry (Chichester, England) 2012;18(4):407-12.
2012: Mario Thevis; Hans Geyer; Tiia Kuuranne; Wilhelm Schänzer
Annual banned-substance review: analytical approaches in human sports drug testing.
Drug testing and analysis 2012;4(1):2-16.
2012: Mario Thevis; Andreas Thomas; Pekka Ostman; Wilhelm Schänzer; Ilkka Ojanperä
Measuring insulin in human vitreous humour using LC-MS/MS.
Drug testing and analysis 2012;4(1):53-6.
2011: Mario Thevis; Andreas Thomas; Wilhelm Schänzer
Doping control analysis of selected peptide hormones using LC-MS(/MS).
Forensic science international 2011;213(1-3):35-41.
2011: Mario Thevis; Gregor Fusshöller; Wilhelm Schänzer
Zeranol: doping offence or mycotoxin? A case-related study.
Drug testing and analysis 2011;3(11-12):777-83.
2011: Maxie Kohler; Wilhelm Schänzer; Mario Thevis
RNA interference for performance enhancement and detection in doping control.
Drug testing and analysis 2011;3(10):661-7.
2011: Ines Möller; Wilhelm Schänzer; Katja Bender; Martin Jübner; Oliver Krug; Andreas Thomas; Annette Wintermeyer; Mario Thevis
Screening for the synthetic cannabinoid JWH-018 and its major metabolites in human doping controls.
Drug testing and analysis 2011;3(9):609-20.
2011: Mario Thevis; Andreas Thomas; James T Dalton; Hans Geyer; Ines Möller; Wilhelm Schänzer
Mass spectrometric characterization of urinary metabolites of the selective androgen receptor modulator S-22 to identify potential targets for routine doping controls.
Rapid communications in mass spectrometry : RCM 2011;25(15):2187-95.
2011: Ines Möller; Wilhelm Schänzer; Hans Geyer; Andreas Thomas; Mario Thevis
Synthesis, characterisation, and mass spectrometric detection of a pegylated EPO-mimetic peptide for sports drug testing purposes.
Rapid communications in mass spectrometry : RCM 2011;25(15):2115-23.
2011: Mario Thevis
Anti-doping analysis.
Analytical and bioanalytical chemistry 2011;401(2):387-8.
2011: Simon Beuck; Annika Klose; Ines Möller; Wilhelm Schänzer; Nils Schlörer; Andreas Thomas; Mario Thevis
Structure characterisation of urinary metabolites of the cannabimimetic JWH-018 using chemically synthesised reference material for the support of LC-MS/MS-based drug testing.
Analytical and bioanalytical chemistry 2011;401(2):493-505.
2011: Mario Thevis; Andreas Thomas; Wilhelm Schänzer
Current role of LC-MS(/MS) in doping control.
Analytical and bioanalytical chemistry 2011;401(2):405-20.
2011: Andreas Thomas; Hans Geyer; Sebastian Höppner; Dorota Kwiatkowska; Michael Petrou; Andrzej Pokrywka; Wilhelm Schänzer; Mario Thevis
Determination of growth hormone releasing peptides (GHRP) and their major metabolites in human urine for doping controls by means of liquid chromatography mass spectrometry.
Analytical and bioanalytical chemistry 2011;401(2):507-16.
2011: E Solymos; Mario Thevis; A Thomas; R Ventura; Ulrich Flenker; H Geyer; Sven Guddat; Petra Platen; M Schulte-Mattler; J Segura; Wilhelm Schänzer
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 testing.
Analytical and bioanalytical chemistry 2011;401(2):517-28.
2011: Mario Thevis; Andreas Thomas; Nils Schlörer; Gerd Sigmund; Simon Beuck; Vassilios Gougoulidis; Dorota Kwiatkowska; Andrzej Pokrywka; Wilhelm Schänzer
Screening for benfluorex and its major urinary metabolites in routine doping controls.
Analytical and bioanalytical chemistry 2011;401(2):543-51.
2011: Mario Thevis; Hans Geyer; Andreas Thomas; Wilhelm Schänzer
Trafficking of drug candidates relevant for sports drug testing: detection of non-approved therapeutics categorized as anabolic and gene doping agents in products distributed via the Internet.
Drug testing and analysis 2011;3(5):331-6.
2011: Andreas Thomas; Maxie Kohler; Wilhelm Schänzer; Philippe Delahaut; Mario Thevis
Determination of IGF-1 and IGF-2, their degradation products and synthetic analogues in urine by LC-MS/MS.
The Analyst 2011;136(5):1003-12.
2011: S Beuck; Wilhelm Schänzer; Mario Thevis
Investigation of the in vitro metabolism of the emerging drug candidate S107 for doping-preventive purposes.
Journal of mass spectrometry : JMS 2011;46(2):112-30.
2011: Mario Thevis; Tiia Kuuranne; Hans Geyer; Wilhelm Schänzer
Annual banned-substance review: analytical approaches in human sports drug testing.
Drug testing and analysis 2011;3(1):1-14.
2010: Thomas Piper; Georg Opfermann; Mario Thevis; Wilhelm Schänzer
Determination of (13)C/(12)C ratios of endogenous urinary steroids excreted as sulpho conjugates.
Rapid communications in mass spectrometry : RCM 2010;24(21):3171-81.
2010: Ute Mareck; Hans Geyer; Gregor Fusshöller; Anne Schwenke; Nadine Haenelt; Thomas Piper; Mario Thevis; Wilhelm Schänzer
Reporting and managing elevated testosterone/epitestosterone ratios--novel aspects after five years' experience.
Drug testing and analysis 2010;2(11-12):637-42.
2010: Maxie Kohler; Andreas Thomas; Hans Geyer; Michael Petrou; Wilhelm Schänzer; Mario Thevis
Confiscated black market products and nutritional supplements with non-approved ingredients analyzed in the Cologne Doping Control Laboratory 2009.
Drug testing and analysis 2010;2(11-12):533-7.
2010: Mario Thevis; Enrico Gerace; Andreas Thomas; Simon Beuck; Hans Geyer; Nils Schlörer; Jeffrey D Kearbey; James T Dalton; Wilhelm Schänzer
Characterization of in vitro generated metabolites of the selective androgen receptor modulators S-22 and S-23 and in vivo comparison to post-administration canine urine specimens.
Drug testing and analysis 2010;2(11-12):589-98.
2010: Annette Wintermeyer; Ines Möller; Mario Thevis; Martin Jübner; Justus Beike; Markus A Rothschild; Katja Bender
In vitro phase I metabolism of the synthetic cannabimimetic JWH-018.
Analytical and bioanalytical chemistry 2010;398(5):2141-53.
2010: Maxie Kohler; Andreas Thomas; Katja Walpurgis; Koen Terlouw; Wilhelm Schänzer; Mario Thevis
Detection of His-tagged Long-R³-IGF-I in a black market product.
Growth hormone & IGF research : official journal of the Growth Hormone Research Society and the International IGF Research Society 2010;20(5):386-90.
2010: Maxie Kohler; Andreas Thomas; Katja Walpurgis; Wilhelm Schänzer; Mario Thevis
Mass spectrometric detection of siRNA in plasma samples for doping control purposes.
Analytical and bioanalytical chemistry 2010;398(3):1305-12.
2010: Horst Fr Schröder; Wilhelm Gebhardt; Mario Thevis
Anabolic, doping, and lifestyle drugs, and selected metabolites in wastewater--detection, quantification, and behaviour monitored by high-resolution MS and MS(n) before and after sewage treatment.
Analytical and bioanalytical chemistry 2010;398(3):1207-29.
2010: Mario Thevis; Andreas Thomas; Gregor Fusshöller; Simon Beuck; Hans Geyer; Wilhelm Schänzer
Mass spectrometric characterization of urinary metabolites of the selective androgen receptor modulator andarine (S-4) for routine doping control purposes.
Rapid communications in mass spectrometry : RCM 2010;24(15):2245-54.
2010: Maxie Kohler; Katja Walpurgis; Andreas Thomas; Markus de Maree; Joachim Mester; Wilhelm Schänzer; Mario Thevis
Effects of endurance exercise on the urinary proteome analyzed by 2-D PAGE and Orbitrap MS.
Proteomics. Clinical applications 2010;4(5):568-76.
2010: RP Green; Abby S Hollander; Mario Thevis; Andreas Thomas; Dennis J Dietzen
Detection of surreptitious administration of analog insulin to an 8-week-old infant.
Pediatrics 2010;125(5):e1236-40.
2010: Andreas Thomas; Sven Guddat; Maxie Kohler; Oliver Krug; Wilhelm Schänzer; Michael Petrou; Mario Thevis
Comprehensive plasma-screening for known and unknown substances in doping controls.
Rapid communications in mass spectrometry : RCM 2010;24(8):1124-32.
2010: Mario Thevis; Tiia Kuuranne; Hans Geyer; Wilhelm Schänzer
Annual banned-substance review: analytical approaches in human sports drug testing.
Drug testing and analysis 2010;2(4):149-61.
2010: Andreas Thomas; Simon Beuck; Jens Christian Eickhoff; Sven Guddat; Oliver Krug; Matthias Kamber; Wilhelm Schänzer; Mario Thevis
Quantification of urinary AICAR concentrations as a matter of doping controls.
Analytical and bioanalytical chemistry 2010;396(8):2899-908.
2010: Mario Thevis; Ines Möller; Andreas Thomas; Simon Beuck; Grigory Rodchenkov; Wolfgang Bornatsch; Hans Geyer; Wilhelm Schänzer
Characterization of two major urinary metabolites of the PPARdelta-agonist GW1516 and implementation of the drug in routine doping controls.
Analytical and bioanalytical chemistry 2010;396(7):2479-91.
2010: Andreas Thomas; Maxie Kohler; Joachim Mester; Hans Geyer; Wilhelm Schänzer; Michael Petrou; Mario Thevis
Identification of the growth-hormone-releasing peptide-2 (GHRP-2) in a nutritional supplement.
Drug testing and analysis 2010;2(3):144-8.
2010: Mario Thevis; Gerd Sigmund; Hans Geyer; Wilhelm Schänzer
Stimulants and doping in sport.
Endocrinology and metabolism clinics of North America 2010;39(1):89-105, ix.
2010: Laura Luosujärvi; Markus Haapala; Mario Thevis; Ville Saarela; Sami Franssila; Raimo A Ketola; Risto Kostiainen; Tapio Kotiaho
Analysis of selective androgen receptor modulators by gas chromatography-microchip atmospheric pressure photoionization-mass spectrometry.
Journal of the American Society for Mass Spectrometry 2010;21(2):310-6.
2010: Mario Thevis; Andreas Thomas; Maxie Kohler; Simon Beuck; Ines Möller; Mathias Schäfer; Grigory Rodchenkov; Sheng Yin; Joseph A Loo; Hans Geyer; Wilhelm Schänzer
Mass spectrometry-based characterization of new drugs and methods of performance manipulation in doping control analysis.
European journal of mass spectrometry (Chichester, England) 2010;16(3):301-12.
2010: Mario Thevis; Andreas Thomas; Wilhelm Schänzer
Insulin.
Handbook of experimental pharmacology 2010;(195):209-26.
2010: Mario Thevis; Michael Bredehöft; Maxie Kohler; Wilhelm Schänzer
Mass spectrometry-based analysis of IGF-1 and hGH.
Handbook of experimental pharmacology 2010;(195):201-7.
2010: Mario Thevis; Wilhelm Schänzer
Synthetic anabolic agents: steroids and nonsteroidal selective androgen receptor modulators.
Handbook of experimental pharmacology 2010;(195):99-126.
2010: Toine F H Bovee; Mario Thevis; Astrid R M Hamers; Ad Peijnenburg; Michel W F Nielen; Willem G E J Schoonen
SERMs and SARMs: detection of their activities with yeast based bioassays.
The Journal of steroid biochemistry and molecular biology 2010;118(1-2):85-92.
2009: Mario Thevis; Peter Hemmersbach; Hans Geyer; Wilhelm Schänzer
[Doping in disabled sports. Doping control activities at the Paralympic Games 1984-2008 and in Germany 1992-2008].
Medizinische Klinik (Munich, Germany : 1983) 2009;104(12):918-24.
2009: A K Orlovius; Sven Guddat; Maria K Parr; Maxie Kohler; M Gütschow; Mario Thevis; Wilhelm Schänzer
Terbutaline sulfoconjugate: characterization and urinary excretion monitored by LC/ESI-MS/MS.
Drug testing and analysis 2009;1(11-12):568-75.
2009: Sven Guddat; Mario Thevis; James Kapron; Andreas Thomas; Wilhelm Schänzer
Application of FAIMS to anabolic androgenic steroids in sport drug testing.
Drug testing and analysis 2009;1(11-12):545-53.
2009: Ute Mareck; Nadine Haenelt; Hans Geyer; Sven Guddat; Matthias Kamber; Rudolf Brenneisen; Mario Thevis; Wilhelm Schänzer
Temporal indication of cannabis use by means of THC glucuronide determination.
Drug testing and analysis 2009;1(11-12):505-10.
2009: Simon Beuck; Tobias Schwabe; Stefan Grimme; Nils Schlörer; Matthias Kamber; Wilhelm Schänzer; Mario Thevis
Unusual mass spectrometric dissociation pathway of protonated isoquinoline-3-carboxamides due to multiple reversible water adduct formation in the gas phase.
Journal of the American Society for Mass Spectrometry 2009;20(11):2034-48.
2009: Gary Green; Mario Thevis; Paul Trevorrow
Growth hormone: barriers to the implementation of human growth hormone testing in sport. Interview by Paul Trevorrow.
Drug testing and analysis 2009;1(9-10):455-6.
2009: Andreas Thomas; Maxie Kohler; Wilhelm Schänzer; Matthias Kamber; Philippe Delahaut; Mario Thevis
Determination of Synacthen in urine for sports drug testing by means of nano-ultra-performance liquid chromatography/tandem mass spectrometry.
Rapid communications in mass spectrometry : RCM 2009;23(17):2669-74.
2009: Mario Thevis; Hans Geyer; Matthias Kamber; Wilhelm Schänzer
Detection of the arylpropionamide-derived selective androgen receptor modulator (SARM) S-4 (Andarine) in a black-market product.
Drug testing and analysis 2009;1(8):387-92.
2009: Maxie Kohler; Stefan Franz; Axel Regeniter; Anna Ikonen; Katja Walpurgis; Andreas Thomas; Wilhelm Schänzer; Mario Thevis
Comparison of the urinary protein patterns of athletes by 2D-gel electrophoresis and mass spectrometry-a pilot study.
Drug testing and analysis 2009;1(8):382-6.
2009: Mario Thevis; Simon Beuck; Andreas Thomas; Gregor Fusshöller; Gerd Sigmund; Nils Schlörer; Grigory Rodchenkov; Mathias Schäfer; Wilhelm Schänzer
Electron ionization mass spectrometry of the ryanodine receptor-based Ca(2+)-channel stabilizer S-107 and its implementation into routine doping control.
Rapid communications in mass spectrometry : RCM 2009;23(15):2363-70.
2009: Thomas Piper; Mario Thevis; Ulrich Flenker; Wilhelm Schänzer
Determination of the deuterium/hydrogen ratio of endogenous urinary steroids for doping control purposes.
Rapid communications in mass spectrometry : RCM 2009;23(13):1917-26.
2009: Marc Machnik; G Sigmund; A Koch; Mario Thevis; Wilhelm Schänzer
Prevalence of antidepressants and biosimilars in elite sport.
Drug testing and analysis 2009;1(6):286-91.
2009: Andreas Thomas; Wilhelm Schänzer; Phillipe Delahaut; Mario Thevis
Sensitive and fast identification of urinary human, synthetic and animal insulin by means of nano-UPLC coupled with high-resolution/high-accuracy mass spectrometry.
Drug testing and analysis 2009;1(5):219-27.
2009: Mario Thevis; Paul Trevorrow
Special issue-murders by drugs.
Drug testing and analysis 2009;1(4):149.
2009: Mario Thevis; Andreas Thomas; Maxie Kohler; Simon Beuck; Wilhelm Schänzer
Emerging drugs: mechanism of action, mass spectrometry and doping control analysis.
Journal of mass spectrometry : JMS 2009;44(4):442-60.
2009: Mario Thevis; Simon Beuck; Andreas Thomas; Birthe Kortner; Maxie Kohler; Grigory Rodchenkov; Wilhelm Schänzer
Doping control analysis of emerging drugs in human plasma - identification of GW501516, S-107, JTV-519, and S-40503.
Rapid communications in mass spectrometry : RCM 2009;23(8):1139-46.
2009: Maxie Kohler; Andreas Thomas; Hans Geyer; Luis Horta; Wilhelm Schänzer; Mario Thevis
Detection of the protease bacillolysin in doping-control urine samples.
Drug testing and analysis 2009;1(3):143-5.
2009: Maria K Parr; Michael Gütschow; Jörg Daniels; Georg Opfermann; Mario Thevis; Wilhelm Schänzer
Identification of steroid isoxazole isomers marketed as designer supplement.
Steroids 2009;74(3):322-8.
2009: Mario Thevis; Sven Guddat; Wilhelm Schänzer
Doping control analysis of trenbolone and related compounds using liquid chromatography-tandem mass spectrometry.
Steroids 2009;74(3):315-21.
2009: Andreas Thomas; Maxie Kohler; Katja Walpurgis; Wilhelm Schänzer; Mario Thevis
Proteolysis and autolysis of proteases and the detection of degradation products in doping control.
Drug testing and analysis 2009;1(2):81-6.
2009: Maxie Kohler; Andreas Thomas; Klaus Püschel; Wilhelm Schänzer; Mario Thevis
Identification of human pituitary growth hormone variants by mass spectrometry.
Journal of proteome research 2009;8(2):1071-6.
2009: Mario Thevis; Simon Beuck; Andreas Thomas; Maxie Kohler; Nils Schlörer; Ileana Vajiala; Wilhelm Schänzer
Screening for the calstabin-ryanodine receptor complex stabilizers JTV-519 and S-107 in doping control analysis.
Drug testing and analysis 2009;1(1):32-42.
2009: Mario Thevis; Tiia Kuuranne; Hans Geyer; Wilhelm Schänzer
Annual banned-substance review: the Prohibited List 2008-analytical approaches in human sports drug testing.
Drug testing and analysis 2009;1(1):4-13.
2009: Mario Thevis; Gerd Sigmund; Andreas Thomas; Vassilios Gougoulidis; Grigory Rodchenkov; Wilhelm Schänzer
Doping control analysis of metamfepramone and two major metabolites using liquid chromatography-tandem mass spectrometry.
European journal of mass spectrometry (Chichester, England) 2009;15(4):507-15.
2008: Susanne B Dorn; Hermann M Bolt; Mario Thevis; Patrick Diel; Gisela H Degen
Micronucleus induction in V79 cells by the anabolic doping steroids desoxymethyltestosterone (madol) and 19-norandrostenedione.
Toxicology letters 2008;183(1-3):58-64.
2008: Maxie Kohler; Klaus Püschel; Dimitri Sakharov; Alexander Tonevitskiy; Wilhelm Schänzer; Mario Thevis
Detection of recombinant growth hormone in human plasma by a 2-D PAGE method.
Electrophoresis 2008;29(22):4495-502.
2008: Mario Thevis; Wilhelm Schänzer
Illicit organogenesis: Methods and substances of doping and manipulation.
Organogenesis 2008;4(4):264-71.
2008: Wilhelm Stoffel; Barbara Holz; Britta Jenke; Erika Binczek; Robert Heinz Günter; Christine Kiss; Iakowos Karakesisoglou; Mario Thevis; Artur-Aron Weber; Stephan Arnhold; Klaus Addicks
Delta6-desaturase (FADS2) deficiency unveils the role of omega3- and omega6-polyunsaturated fatty acids.
The EMBO journal 2008;27(17):2281-92.
2008: Mario Thevis; Maxie Kohler; Andreas Thomas; Nils Schlörer; Wilhelm Schänzer
Doping control analysis of tricyclic tetrahydroquinoline-derived selective androgen receptor modulators using liquid chromatography/electrospray ionization tandem mass spectrometry.
Rapid communications in mass spectrometry : RCM 2008;22(16):2471-8.
2008: Mario Thevis; Michael Sauer; Hans Geyer; Gerd Sigmund; Ute Mareck; Wilhelm Schänzer
Determination of the prevalence of anabolic steroids, stimulants, and selected drugs subject to doping controls among elite sport students using analytical chemistry.
Journal of sports sciences 2008;26(10):1059-65.
2008: Ute Mareck; Hans Geyer; Georg Opfermann; Mario Thevis; Wilhelm Schänzer
Factors influencing the steroid profile in doping control analysis.
Journal of mass spectrometry : JMS 2008;43(7):877-91.
2008: Hans Geyer; Maria K Parr; Karsten Koehler; Ute Mareck; Wilhelm Schänzer; Mario Thevis
Nutritional supplements cross-contaminated and faked with doping substances.
Journal of mass spectrometry : JMS 2008;43(7):892-902.
2008: Andreas Thomas; Hans Geyer; Matthias Kamber; Wilhelm Schänzer; Mario Thevis
Mass spectrometric determination of gonadotrophin-releasing hormone (GnRH) in human urine for doping control purposes by means of LC-ESI-MS/MS.
Journal of mass spectrometry : JMS 2008;43(7):908-15.
2008: Detlef Thieme; Hans Sachs; Mario Thevis
Formation of the N-methylpyridinium derivative to improve the detection of buprenorphine by liquid chromatography-mass spectrometry.
Journal of mass spectrometry : JMS 2008;43(7):974-9.
2008: Laura Hintikka; Tiia Kuuranne; Antti Leinonen; Mario Thevis; Wilhelm Schänzer; John Halket; David Cowan; Joachim Grosse; Peter Hemmersbach; Michel W F Nielen; Risto Kostiainen
Liquid chromatographic-mass spectrometric analysis of glucuronide-conjugated anabolic steroid metabolites: method validation and interlaboratory comparison.
Journal of mass spectrometry : JMS 2008;43(7):965-73.
2008: Thomas Piper; Ute Mareck; Hans Geyer; Ulrich Flenker; Mario Thevis; Petra Platen; Wilhelm Schänzer
Determination of 13C/12C ratios of endogenous urinary steroids: method validation, reference population and application to doping control purposes.
Rapid communications in mass spectrometry : RCM 2008;22(14):2161-75.
2008: Mario Thevis; Wilhelm Schänzer
Mass spectrometry of selective androgen receptor modulators.
Journal of mass spectrometry : JMS 2008;43(7):865-76.
2008: Sven Guddat; Mario Thevis; Andreas Thomas; Wilhelm Schänzer
Rapid screening of polysaccharide-based plasma volume expanders dextran and hydroxyethyl starch in human urine by liquid chromatography-tandem mass spectrometry.
Biomedical chromatography : BMC 2008;22(7):695-701.
2008: Mario Thevis; Hans Geyer; Wilhelm Schänzer
[Doping control activities in Germany 1989-2006].
Medizinische Klinik (Munich, Germany : 1983) 2008;103(5):282-98.
2008: Mario Thevis; Maxie Kohler; Andreas Thomas; Joachim Maurer; Nils Schlörer; Matthias Kamber; Wilhelm Schänzer
Determination of benzimidazole- and bicyclic hydantoin-derived selective androgen receptor antagonists and agonists in human urine using LC-MS/MS.
Analytical and bioanalytical chemistry 2008;391(1):251-61.
2008: Mario Thevis; Maxie Kohler; Nils Schlörer; Matthias Kamber; Andreas Kühn; Michael Linscheid; Wilhelm Schänzer
Mass spectrometry of hydantoin-derived selective androgen receptor modulators.
Journal of mass spectrometry : JMS 2008;43(5):639-50.
2008: Mario Thevis; Yvonne Schrader; Andreas Thomas; Gerd Sigmund; Hans Geyer; Wilhelm Schänzer
Analysis of confiscated black market drugs using chromatographic and mass spectrometric approaches.
Journal of analytical toxicology 2008;32(3):232-40.
2008: Patrick Diel; Angelika Friedel; Hans Geyer; Matthias Kamber; Ute Laudenbach-Leschowsky; Wilhelm Schänzer; B Schleipen; Mario Thevis; Günter Vollmer; Oliver Zierau
The prohormone 19-norandrostenedione displays selective androgen receptor modulator (SARM) like properties after subcutaneous administration.
Toxicology letters 2008;177(3):198-204.
2008: Susanne B Dorn; Hermann M Bolt; Mario Thevis; Patrick Diel; Gisela H Degen
Induction of micronuclei in V79 cells by the anabolic doping steroids tetrahydrogestrinone and trenbolone.
Archives of toxicology 2008;82(4):257-63.
2008: Tiia Kuuranne; Antti Leinonen; Wilhelm Schänzer; Matthias Kamber; Risto Kostiainen; Mario Thevis
Aryl-propionamide-derived selective androgen receptor modulators: liquid chromatography-tandem mass spectrometry characterization of the in vitro synthesized metabolites for doping control purposes.
Drug metabolism and disposition: the biological fate of chemicals 2008;36(3):571-81.
2008: Laura Hintikka; Tiia Kuuranne; Olli Aitio; Mario Thevis; Wilhelm Schänzer; Risto Kostiainen
Enzyme-assisted synthesis and structure characterization of glucuronide conjugates of eleven anabolic steroid metabolites.
Steroids 2008;73(3):257-65.
2008: Tiia Kuuranne; Kati-Henna Pystynen; Mario Thevis; Antti Leinonen; Wilhelm Schänzer; Risto Kostiainen
Screening of in vitro synthesised metabolites of 4,9,11-trien-3-one steroids by liquid chromatography mass spectrometry.
European journal of mass spectrometry (Chichester, England) 2008;14(3):181-9.
2008: Mario Thevis; Wiebke Lohmann; Yvonne Schrader; Maxie Kohler; Wolfgang Bornatsch; Uwe Karst; Wilhelm Schänzer
Use of an electrochemically synthesised metabolite of a selective androgen receptor modulator for mass spectrometry-based sports drug testing.
European journal of mass spectrometry (Chichester, England) 2008;14(3):163-70.
2008: Mario Thevis; Maxie Kohler; Nils Schlörer; Gregor Fusshöller; Wilhelm Schänzer
Screening for two selective androgen receptor modulators using gas chromatography-mass spectrometry in doping control analysis.
European journal of mass spectrometry (Chichester, England) 2008;14(3):153-61.
2008: Mario Thevis; Gerd Sigmund; Anja Koch; Sven Guddat; Hans H Maurer; Wilhelm Schänzer
Doping control analysis of methoxyphenamine using liquid chromatography-tandem mass spectrometry.
European journal of mass spectrometry (Chichester, England) 2008;14(3):145-52.
2008: Andreas Thomas; Gerd Sigmund; Sven Guddat; Wilhelm Schänzer; Mario Thevis
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.
European journal of mass spectrometry (Chichester, England) 2008;14(3):135-43.
2008: Sven Guddat; Mario Thevis; Wilhelm Schänzer
Identification and quantification of the osmodiuretic mannitol in urine for sports drug testing using gas chromatography-mass spectrometry.
European journal of mass spectrometry (Chichester, England) 2008;14(3):127-33.
2008: Mario Thevis; Sven Guddat; Ulrich Flenker; Wilhelm Schänzer
Quantitative analysis of urinary glycerol levels for doping control purposes using gas chromatography-mass spectrometry.
European journal of mass spectrometry (Chichester, England) 2008;14(3):117-25.
2008: Michael Bredehöft; Wilhelm Schänzer; Mario Thevis
Quantification of human insulin-like growth factor-1 and qualitative detection of its analogues in plasma using liquid chromatography/electrospray ionisation tandem mass spectrometry.
Rapid communications in mass spectrometry : RCM 2008;22(4):477-85.
2008: Mario Thevis; Maxie Kohler; Wilhelm Schänzer
New drugs and methods of doping and manipulation.
Drug discovery today 2008;13(1-2):59-66.
2008: Tiia Kuuranne; Andreas Thomas; Antti Leinonen; Philippe Delahaut; Alain Bosseloir; Wilhelm Schänzer; Mario Thevis
Insulins in equine urine: qualitative analysis by immunoaffinity purification and liquid chromatography/tandem mass spectrometry for doping control purposes in horse-racing.
Rapid communications in mass spectrometry : RCM 2008;22(3):355-62.
2008: Mario Thevis; Maxie Kohler; Nils Schlörer; Wilhelm Schänzer
Gas phase reaction of substituted isoquinolines to carboxylic acids in ion trap and triple quadrupole mass spectrometers after electrospray ionization and collision-induced dissociation.
Journal of the American Society for Mass Spectrometry 2008;19(1):151-8.
2008: Maxie Kohler; C Ayotte; P Desharnais; Ulrich Flenker; S Lüdke; Mario Thevis; E Völker-Schänzer; Wilhelm Schänzer
Discrimination of recombinant and endogenous urinary erythropoietin by calculating relative mobility values from SDS gels.
International journal of sports medicine 2008;29(1):1-6.
2008: Mario Thevis; Andreas Thomas; Wilhelm Schänzer
Mass spectrometric determination of insulins and their degradation products in sports drug testing.
Mass spectrometry reviews 2008;27(1):35-50.
2007: Wilhelm Schänzer; Mario Thevis
[Doping in sport].
Medizinische Klinik (Munich, Germany : 1983) 2007;102(8):631-46.
2007: Vibor Petkovic; Mario Thevis; Didier Lochmatter; Amélie Besson; Andrée Eblé; Christa E Flück; Primus E Mullis
GH mutant (R77C) in a pedigree presenting with the delay of growth and pubertal development: structural analysis of the mutant and evaluation of the biological activity.
European journal of endocrinology / European Federation of Endocrine Societies 2007;157 Suppl 1():S67-74.
2007: Sven Christian Voss; Mario Thevis; Timo Schinköthe; Wilhelm Schänzer
Detection of homologous blood transfusion.
International journal of sports medicine 2007;28(8):633-7.
2007: Vibor Petkovic; Amélie Besson; Mario Thevis; Didier Lochmatter; Andrée Eblé; Christa E Flück; Primus E Mullis
Evaluation of the biological activity of a growth hormone (GH) mutant (R77C) and its impact on GH responsiveness and stature.
The Journal of clinical endocrinology and metabolism 2007;92(8):2893-901.
2007: Mario Thevis; Wilhelm Schänzer
Current role of LC-MS(/MS) in doping control.
Analytical and bioanalytical chemistry 2007;388(7):1351-8.
2007: Mario Thevis; Hans Geyer; Ute Mareck; Gerd Sigmund; Jürgen Henke; Lotte Henke; Wilhelm Schänzer
Detection of manipulation in doping control urine sample collection: a multidisciplinary approach to determine identical urine samples.
Analytical and bioanalytical chemistry 2007;388(7):1539-43.
2007: Mario Thevis; J Maurer; Maxie Kohler; Hans Geyer; Wilhelm Schänzer
Proteases in doping control analysis.
International journal of sports medicine 2007;28(7):545-9.
2007: Mario Thevis; Wilhelm Schänzer
Emerging drugs--potential for misuse in sport and doping control detection strategies.
Mini reviews in medicinal chemistry 2007;7(5):531-7.
2007: Mario Thevis; Wilhelm Schänzer
Mass spectrometric identification of peptide hormones in doping-control analysis.
The Analyst 2007;132(4):287-91.
2007: Mario Thevis; Hans Geyer; Ute Mareck; Ulrich Flenker; Wilhelm Schänzer
Doping-control analysis of the 5alpha-reductase inhibitor finasteride: determination of its influence on urinary steroid profiles and detection of its major urinary metabolite.
Therapeutic drug monitoring 2007;29(2):236-47.
2007: Erika Binczek; Britta Jenke; Barbara Holz; Robert Heinz Günter; Mario Thevis; Wilhelm Stoffel
Obesity resistance of the stearoyl-CoA desaturase-deficient (scd1-/-) mouse results from disruption of the epidermal lipid barrier and adaptive thermoregulation.
Biological chemistry 2007;388(4):405-18.
2007: Andreas Thomas; Mario Thevis; Philippe Delahaut; Alain Bosseloir; Wilhelm Schänzer
Mass spectrometric identification of degradation products of insulin and its long-acting analogues in human urine for doping control purposes.
Analytical chemistry 2007;79(6):2518-24.
2007: Maxie Kohler; Maria K Parr; Georg Opfermann; Mario Thevis; Nils Schlörer; Franz-Josef Marner; Wilhelm Schänzer
Metabolism of 4-hydroxyandrostenedione and 4-hydroxytestosterone: Mass spectrometric identification of urinary metabolites.
Steroids 2007;72(3):278-86.
2007: Patrick Diel; Angelika Friedel; Hans Geyer; Matthias Kamber; Ute Laudenbach-Leschowsky; Wilhelm Schänzer; Mario Thevis; Günter Vollmer; Oliver Zierau
Characterisation of the pharmacological profile of desoxymethyltestosterone (Madol), a steroid misused for doping.
Toxicology letters 2007;169(1):64-71.
2007: Marc Machnik; I Hegger; M Kietzmann; Mario Thevis; Sven Guddat; Wilhelm Schänzer
Pharmacokinetics of altrenogest in horses.
Journal of veterinary pharmacology and therapeutics 2007;30(1):86-90.
2007: Sabrina A Benchaar; Yongming Xie; Martin Phillips; Rachel R Ogorzalek Loo; Vitold E Galkin; Albina Orlova; Mario Thevis; Andras Muhlrad; Steven C Almo; Joseph A Loo; Edward H Egelman; Emil Reisler
Mapping the interaction of cofilin with subdomain 2 on actin.
Biochemistry 2007;46(1):225-33.
2007: Ute Mareck; Hans Geyer; Ulrich Flenker; Thomas Piper; Mario Thevis; Wilhelm Schänzer
Detection of dehydroepiandrosterone misuse by means of gas chromatography- combustion-isotope ratio mass spectrometry.
European journal of mass spectrometry (Chichester, England) 2007;13(6):419-26.
2007: Mario Thevis; Maxie Kohler; Joachim Maurer; Nils Schlörer; Matthias Kamber; Wilhelm Schänzer
Screening for 2-quinolinone-derived selective androgen receptor agonists in doping control analysis.
Rapid communications in mass spectrometry : RCM 2007;21(21):3477-86.
2007: Mario Thevis; Gerd Sigmund; Anja Koch; Wilhelm Schänzer
Determination of tuaminoheptane in doping control urine samples.
European journal of mass spectrometry (Chichester, England) 2007;13(3):213-21.
2007: Mario Thevis; Joseph A Loo; Rachel R Ogorzalek Loo; Wilhelm Schänzer
Recommended criteria for the mass spectrometric identification of target peptides and proteins (<8 kDa) in sports drug testing.
Rapid communications in mass spectrometry : RCM 2007;21(3):297-304.
2007: Mario Thevis; Wilhelm Schänzer
Mass spectrometry in sports drug testing: Structure characterization and analytical assays.
Mass spectrometry reviews 2007;26(1):79-107.
2006: Moritz Hebestreit; Ulrich Flenker; Gregor Fusshöller; Hans Geyer; Ute Güntner; Ute Mareck; Thomas Piper; Mario Thevis; Christiane Ayotte; Wilhelm Schänzer
Determination of the origin of urinary norandrosterone traces by gas chromatography combustion isotope ratio mass spectrometry.
The Analyst 2006;131(9):1021-6.
2006: Angelika Friedel; Hans Geyer; Matthias Kamber; Ute Laudenbach-Leschowsky; Wilhelm Schänzer; Mario Thevis; Günter Vollmer; Oliver Zierau; Patrick Diel
17beta-hydroxy-5alpha-androst-1-en-3-one (1-testosterone) is a potent androgen with anabolic properties.
Toxicology letters 2006;165(2):149-55.
2006: Yvonne Schrader; Mario Thevis; Wilhelm Schänzer
Quantitative determination of metabolic products of 19-norandrostenediol in human plasma using gas chromatography/mass spectrometry.
Drug metabolism and disposition: the biological fate of chemicals 2006;34(8):1328-35.
2006: Angelika Friedel; Hans Geyer; Matthias Kamber; Ute Laudenbach-Leschowsky; Wilhelm Schänzer; Mario Thevis; Günter Vollmer; Oliver Zierau; Patrick Diel
Tetrahydrogestrinone is a potent but unselective binding steroid and affects glucocorticoid signalling in the liver.
Toxicology letters 2006;164(1):16-23.
2006: Mario Thevis; Andreas Thomas; Philippe Delahaut; Alain Bosseloir; Wilhelm Schänzer
Doping control analysis of intact rapid-acting insulin analogues in human urine by liquid chromatography-tandem mass spectrometry.
Analytical chemistry 2006;78(6):1897-903.
2006: Mario Thevis; Oliver Krug; Wilhelm Schänzer
Mass spectrometric characterization of efaproxiral (RSR13) and its implementation into doping controls using liquid chromatography-atmospheric pressure ionization-tandem mass spectrometry.
Journal of mass spectrometry : JMS 2006;41(3):332-8.
2006: Mario Thevis; Michael Bredehöft; Hans Geyer; Matthias Kamber; Philippe Delahaut; Wilhelm Schänzer
Determination of Synacthen in human plasma using immunoaffinity purification and liquid chromatography/tandem mass spectrometry.
Rapid communications in mass spectrometry : RCM 2006;20(23):3551-6.
2006: Mario Thevis; Frauke Wilkens; Hans Geyer; Wilhelm Schänzer
Determination of therapeutics with growth-hormone secretagogue activity in human urine for doping control purposes.
Rapid communications in mass spectrometry : RCM 2006;20(22):3393-402.
2006: Wilhelm Schänzer; Hans Geyer; Gregor Fusshöller; Natalia Halatcheva; Maxie Kohler; Maria K Parr; Sven Guddat; Andreas Thomas; Mario Thevis
Mass spectrometric identification and characterization of a new long-term metabolite of metandienone in human urine.
Rapid communications in mass spectrometry : RCM 2006;20(15):2252-8.
2006: Mario Thevis; Gerd Sigmund; Anna-Katharina Schiffer; Wilhelm Schänzer
Determination of N-desmethyl- and N-bisdesmethyl metabolites of Sibutramine in doping control analysis using liquid chromatography-tandem mass spectrometry.
European journal of mass spectrometry (Chichester, England) 2006;12(2):129-36.
2006: Ute Mareck; Hans Geyer; Sven Guddat; Nadine Haenelt; Anja Koch; Maxie Kohler; Georg Opfermann; Mario Thevis; Wilhelm Schänzer
Identification of the aromatase inhibitors anastrozole and exemestane in human urine using liquid chromatography/tandem mass spectrometry.
Rapid communications in mass spectrometry : RCM 2006;20(12):1954-62.
2006: Mario Thevis; Matthias Kamber; Wilhelm Schänzer
Screening for metabolically stable aryl-propionamide-derived selective androgen receptor modulators for doping control purposes.
Rapid communications in mass spectrometry : RCM 2006;20(5):870-6.
2005: Sven Guddat; Mario Thevis; Wilhelm Schänzer
Identification and quantification of the plasma volume expander dextran in human urine by liquid chromatography-tandem mass spectrometry of enzymatically derived isomaltose.
Biomedical chromatography : BMC 2005;19(10):743-50.
2005: Mario Thevis; Wilhelm Schänzer
Mass spectrometric analysis of androstan-17beta-ol-3-one and androstadiene-17beta-ol-3-one isomers.
Journal of the American Society for Mass Spectrometry 2005;16(10):1660-9.
2005: Mario Thevis; Hans Geyer; Ute Mareck; Wilhelm Schänzer
Screening for unknown synthetic steroids in human urine by liquid chromatography-tandem mass spectrometry.
Journal of mass spectrometry : JMS 2005;40(7):955-62.
2005: Mario Thevis; Andreas Thomas; Philippe Delahaut; Alain Bosseloir; Wilhelm Schänzer
Qualitative determination of synthetic analogues of insulin in human plasma by immunoaffinity purification and liquid chromatography-tandem mass spectrometry for doping control purposes.
Analytical chemistry 2005;77(11):3579-85.
2005: Mario Thevis; Ute Bommerich; Georg Opfermann; Wilhelm Schänzer
Characterization of chemically modified steroids for doping control purposes by electrospray ionization tandem mass spectrometry.
Journal of mass spectrometry : JMS 2005;40(4):494-502.
2005: Ute Mareck; Gerd Sigmund; Georg Opfermann; Hans Geyer; Mario Thevis; Wilhelm Schänzer
Identification of the aromatase inhibitor letrozole in urine by gas chromatography/mass spectrometry.
Rapid communications in mass spectrometry : RCM 2005;19(24):3689-93.
2005: Mario Thevis; Alexander A Makarov; Stevan Horning; Wilhelm Schänzer
Mass spectrometry of stanozolol and its analogues using electrospray ionization and collision-induced dissociation with quadrupole-linear ion trap and linear ion trap-orbitrap hybrid mass analyzers.
Rapid communications in mass spectrometry : RCM 2005;19(22):3369-78.
2005: Mario Thevis; Hans Geyer; Daniel Bahr; Wilhelm Schänzer
Identification of fentanyl, alfentanil, sufentanil, remifentanil and their major metabolites in human urine by liquid chromatography/tandem mass spectrometry for doping control purposes.
European journal of mass spectrometry (Chichester, England) 2005;11(4):419-27.
2005: Mario Thevis; Wilhelm Schänzer
Examples of doping control analysis by liquid chromatography-tandem mass spectrometry: ephedrines, beta-receptor blocking agents, diuretics, sympathomimetics, and cross-linked hemoglobins.
Journal of chromatographic science 2005;43(1):22-31.
2005: Mario Thevis; Hans Geyer; Wilhelm Schänzer
Identification of oral antidiabetics and their metabolites in human urine by liquid chromatography/tandem mass spectrometry--a matter for doping control analysis.
Rapid communications in mass spectrometry : RCM 2005;19(7):928-36.
2004: Mario Thevis; Georg Opfermann; Wilhelm Schänzer
N-methyl-N-trimethylsilyltrifluoroacetamide-promoted synthesis and mass spectrometric characterization of deuterated ephedrines.
European journal of mass spectrometry (Chichester, England) 2004;10(5):673-81.
2004: Mario Thevis; Georg Opfermann; Oliver Krug; Wilhelm Schänzer
Electrospray ionization mass spectrometric characterization and quantitation of xanthine derivatives using isotopically labelled analogues: an application for equine doping control analysis.
Rapid communications in mass spectrometry : RCM 2004;18(14):1553-60.
2003: Mario Thevis; Georg Opfermann; Wilhelm Schänzer
Liquid chromatography/electrospray ionization tandem mass spectrometric screening and confirmation methods for beta2-agonists in human or equine urine.
Journal of mass spectrometry : JMS 2003;38(11):1197-206.
2003: Tiia Kuuranne; Mika Kurkela; Mario Thevis; Wilhelm Schänzer; Moshe Finel; Risto Kostiainen
Glucuronidation of anabolic androgenic steroids by recombinant human UDP-glucuronosyltransferases.
Drug metabolism and disposition: the biological fate of chemicals 2003;31(9):1117-24.
2003: Mario Thevis; Rachel R Ogorzalek Loo; Joseph A Loo; Wilhelm Schänzer
Doping control analysis of bovine hemoglobin-based oxygen therapeutics in human plasma by LC-electrospray ionization-MS/MS.
Analytical chemistry 2003;75(14):3287-93.
2003: Mario Thevis; Wilhelm Schänzer; Hans Schmickler
Effect of the location of hydrogen abstraction on the fragmentation of diuretics in negative electrospray ionization mass spectrometry.
Journal of the American Society for Mass Spectrometry 2003;14(6):658-70.
2003: Mario Thevis; Rachel R Ogorzalek Loo; Joseph A Loo
Mass spectrometric characterization of transferrins and their fragments derived by reduction of disulfide bonds.
Journal of the American Society for Mass Spectrometry 2003;14(6):635-47.
2003: Sylvia Daoud Kinzie; Mario Thevis; Khanh Ngo; Julian P Whitelegge; Joseph A Loo; Mahdi M Abu-Omar
Posttranslational hydroxylation of human phenylalanine hydroxylase is a novel example of enzyme self-repair within the second coordination sphere of catalytic iron.
Journal of the American Chemical Society 2003;125(16):4710-1.
2003: Mario Thevis; Rachel R Ogorzalek Loo; Joseph A Loo
In-gel derivatization of proteins for cysteine-specific cleavages and their analysis by mass spectrometry.
Journal of proteome research 2003;2(2):163-72.
2003: Mario Thevis; Georg Opfermann; Wilhelm Schänzer
Urinary concentrations of morphine and codeine after consumption of poppy seeds.
Journal of analytical toxicology 2003;27(1):53-6.
2002: Mario Thevis; M Hans Schmickler; Wilhelm Schänzert
Mass spectrometric behavior of thiazide-based diuretics after electrospray ionization and collision-induced dissociation.
Analytical chemistry 2002;74(15):3802-8.
2001: Mario Thevis; Georg Opfermann; Wilhelm Schänzer
High speed determination of beta-receptor blocking agents in human urine by liquid chromatography/tandem mass spectrometry.
Biomedical chromatography : BMC 2001;15(6):393-402.
2001: Mario Thevis; Georg Opfermann; Hans Schmickler; Wilhelm Schänzer
Mass spectrometry of steroid glucuronide conjugates. II-Electron impact fragmentation of 3-keto-4-en- and 3-keto-5alpha-steroid-17-O-beta glucuronides and 5alpha-steroid-3alpha,17beta-diol 3- and 17-glucuronides.
Journal of mass spectrometry : JMS 2001;36(9):998-1012.
2001: Mario Thevis; Georg Opfermann; Hans Schmickler; Wilhelm Schänzer
Mass spectrometry of steroid glucuronide conjugates. I. Electron impact fragmentation of 5alpha-/5beta-androstan-3alpha-ol-17-one glucuronides, 5alpha-estran-3alpha-ol-17-one glucuronide and deuterium-labelled analogues.
Journal of mass spectrometry : JMS 2001;36(2):159-68.
2000: Mario Thevis; Georg Opfermann; Wilhelm Schänzer
Detection of the plasma volume expander hydroxyethyl starch in human urine.
Journal of chromatography. B, Biomedical sciences and applications 2000;744(2):345-50.
2000: Mario Thevis; Georg Opfermann; Wilhelm Schänzer
Mass spectrometry of partially methylated alditol acetates derived from hydroxyethyl starch.
Journal of mass spectrometry : JMS 2000;35(1):77-84.