Thomas Piper
0000-0002-7462-6693
34 papers found
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Detecting the misuse of 7‐oxo‐DHEA by means of carbon isotope ratio mass spectrometry in doping control analysis
Potential of GHB phase-II-metabolites to complement current approaches in GHB post administration detection
Carbon isotope ratios of endogenous steroids in Belgian Blue and Holstein cattle: Method development, reference population studies and application to steroid misuse control
Mass spectrometric characterization of the selective androgen receptor modulator (SARM) YK-11 for doping control purposes: Mass spectrometric characterization of YK-11
GHB-O-β-glucuronide in blood and urine is not a suitable tool for the extension of the detection window after GHB intake
Applications of Isotope Ratio Mass Spectrometry in Sports Drug Testing Accounting for Isotope Fractionation in Analysis of Biological Samples
Optimization of an online heart-cutting multidimensional gas chromatography clean-up step for isotopic ratio mass spectrometry and simultaneous quadrupole mass spectrometry measurements of endogenous anabolic steroid in urine: MDGC/C/IRMS hyphenated to quadrupole MS for endogenous steroids investigation
Genotype-dependent metabolism of exogenous testosterone - new biomarkers result in prolonged detectability: Genotype-dependent metabolism of exogenous testosterone
Development and validation of a HPLC–QTOF-MS method for the determination of GHB-β-O-glucuronide and GHB-4-sulfate in plasma and urine
Analytics of nonpeptidic erythropoietin mimetic agents in sports drug testing employing high-resolution/high-accuracy liquid chromatography-mass spectrometry
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 testing
Solutions Advertised as Erythropoiesis-stimulating Products were Found to Contain Undeclared Cobalt and Nickel Species
Revisiting the metabolism of 19-nortestosterone using isotope ratio and high resolution/high accuracy mass spectrometry
Monitoring 2-phenylethanamine and 2-(3-hydroxyphenyl)acetamide sulfate in doping controls: Monitoring phenethylamine in doping controls
Identification of black market products and potential doping agents in Germany 2010–2013
Carbon Isotope Ratio Analysis of Steroids by High-Temperature Liquid Chromatography-Isotope Ratio Mass Spectrometry
Liquid chromatography-high resolution/high accuracy (tandem) mass spectrometry-based identification of in vivo generated metabolites of the selective androgen receptor modulator ACP-105 for doping control purposes
Quantification of AICAR-ribotide concentrations in red blood cells by means of LC-MS/MS
Combination of carbon isotope ratio with hydrogen isotope ratio determinations in sports drug testing
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
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