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Thomas Piper

Showing results (51-60 of 82) with videos related to

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Drug Testing and Analysis|March 30, 2025
Investigations Into Structures of In Vitro-Derived Phase I Metabolites of a Novel 20-Keto-Steroid S42 by GC-EI HR MS Analysis and Chemical SynthesisHui-Chung Wen, Felicitas Wagener, Thomas Piper, et al.
Rapid Communications in Mass Spectrometry : RCM|March 7, 2020
Detecting the misuse of 7-oxo-DHEA by means of carbon isotope ratio mass spectrometry in doping control analysisThomas Piper, Gregor Fusshöller, Hans Geyer, et al.
Drug Testing and Analysis|September 20, 2018
Case Study: Atypical δ<sup>13</sup> C values of urinary norandrosteroneFrank Hülsemann, Vassilios Gougoulidis, Thomas Schertel, et al.
Journal of Pharmaceutical and Biomedical Analysis|February 21, 2016
Fully automated determination of nicotine and its major metabolites in whole blood by means of a DBS online-SPE LC-HR-MS/MS approach for sports drug testingLaura Tretzel, Andreas Thomas, Thomas Piper, et al.
Clinical Mass Spectrometry (Del Mar, Calif.)|August 28, 2024
Screening for adiponectin receptor agonists and their metabolites in urine and dried blood spotsJosef Dib, Laura Tretzel, Thomas Piper, et al.
Analytical and Bioanalytical Chemistry|July 21, 2016
Analytics of nonpeptidic erythropoietin mimetic agents in sports drug testing employing high-resolution/high-accuracy liquid chromatography-mass spectrometryMatthias Vogel, Josef Dib, Laura Tretzel, et al.
Rapid Communications in Mass Spectrometry : RCM|June 7, 2008
Determination of 13C/12C ratios of endogenous urinary steroids: method validation, reference population and application to doping control purposesThomas Piper, Ute Mareck, Hans Geyer, et al.
Analytical and Bioanalytical Chemistry|July 6, 2013
Quantification of AICAR-ribotide concentrations in red blood cells by means of LC-MS/MSAndreas Thomas, Matthias Vogel, Thomas Piper, et al.
Drug Testing and Analysis|October 21, 2015
Monitoring 2-phenylethanamine and 2-(3-hydroxyphenyl)acetamide sulfate in doping controlsGerd Sigmund, Josef Dib, Laura Tretzel, et al.
Rapid Communications in Mass Spectrometry : RCM|December 3, 2014
Urine analysis concerning xenon for doping control purposesMario Thevis, Thomas Piper, Hans Geyer, et al.
Pageof 9

Showing results (51-60 of 82) with videos related to

Sort By:
Pageof 9
Drug Testing and Analysis|March 30, 2025
Investigations Into Structures of In Vitro-Derived Phase I Metabolites of a Novel 20-Keto-Steroid S42 by GC-EI HR MS Analysis and Chemical SynthesisHui-Chung Wen, Felicitas Wagener, Thomas Piper, et al.
Rapid Communications in Mass Spectrometry : RCM|March 7, 2020
Detecting the misuse of 7-oxo-DHEA by means of carbon isotope ratio mass spectrometry in doping control analysisThomas Piper, Gregor Fusshöller, Hans Geyer, et al.
Drug Testing and Analysis|September 20, 2018
Case Study: Atypical δ<sup>13</sup> C values of urinary norandrosteroneFrank Hülsemann, Vassilios Gougoulidis, Thomas Schertel, et al.
Journal of Pharmaceutical and Biomedical Analysis|February 21, 2016
Fully automated determination of nicotine and its major metabolites in whole blood by means of a DBS online-SPE LC-HR-MS/MS approach for sports drug testingLaura Tretzel, Andreas Thomas, Thomas Piper, et al.
Clinical Mass Spectrometry (Del Mar, Calif.)|August 28, 2024
Screening for adiponectin receptor agonists and their metabolites in urine and dried blood spotsJosef Dib, Laura Tretzel, Thomas Piper, et al.
Analytical and Bioanalytical Chemistry|July 21, 2016
Analytics of nonpeptidic erythropoietin mimetic agents in sports drug testing employing high-resolution/high-accuracy liquid chromatography-mass spectrometryMatthias Vogel, Josef Dib, Laura Tretzel, et al.
Rapid Communications in Mass Spectrometry : RCM|June 7, 2008
Determination of 13C/12C ratios of endogenous urinary steroids: method validation, reference population and application to doping control purposesThomas Piper, Ute Mareck, Hans Geyer, et al.
Analytical and Bioanalytical Chemistry|July 6, 2013
Quantification of AICAR-ribotide concentrations in red blood cells by means of LC-MS/MSAndreas Thomas, Matthias Vogel, Thomas Piper, et al.
Drug Testing and Analysis|October 21, 2015
Monitoring 2-phenylethanamine and 2-(3-hydroxyphenyl)acetamide sulfate in doping controlsGerd Sigmund, Josef Dib, Laura Tretzel, et al.
Rapid Communications in Mass Spectrometry : RCM|December 3, 2014
Urine analysis concerning xenon for doping control purposesMario Thevis, Thomas Piper, Hans Geyer, et al.
Pageof 9