Thomas Piper

Koeln, NW, Germany

Last Updated: 09/26/2026

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Found 79 publications

Investigation Into the Metabolism and Elimination Behavior of RU 58841, and Its Influence on the Steroid Profile in Humans.

Investigation Into the Metabolism and Elimination Behavior of RU 58841, and Its Influence on the Steroid Profile in Humans.

Journal: Biomedical chromatography : BMC

Published: July 23, 2026

Detection of sample swapping in anti-doping investigations using machine learning.

Detection of sample swapping in anti-doping investigations using machine learning.

Journal: Scientific reports

Published: November 26, 2025

When is a sample a urine sample? Markers for urine sample authenticity assessment in sports drug testing.

When is a sample a urine sample? Markers for urine sample authenticity assessment in sports drug testing.

Journal: Bioanalysis

Published: November 07, 2025

The influence of the route of drug administration on the metabolic profile of trenbolone in doping control urine samples.

The influence of the route of drug administration on the metabolic profile of trenbolone in doping control urine samples.

Journal: Steroids

Published: August 21, 2025

Ryanodine-1-Calstabin Complex Stabilizers in Antidoping Research: Synthesis, Metabolism, and Characterization.

Ryanodine-1-Calstabin Complex Stabilizers in Antidoping Research: Synthesis, Metabolism, and Characterization.

Journal: ChemPlusChem

Published: July 25, 2025

Investigations Into the Human Metabolism of Trestolone (7α-Methyl-19-Nortestosterone).

Investigations Into the Human Metabolism of Trestolone (7α-Methyl-19-Nortestosterone).

Journal: Drug testing and analysis

Published: July 24, 2025

Assessing the Effect of Probiotics in the Steroidal Module of the Athlete's Biological Passport.

Assessing the Effect of Probiotics in the Steroidal Module of the Athlete's Biological Passport.

Journal: Drug testing and analysis

Published: July 04, 2025

Bioanalytical methods in doping controls: a review.

Bioanalytical methods in doping controls: a review.

Journal: Bioanalysis

Published: February 07, 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 Synthesis.

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 Synthesis.

Journal: Drug testing and analysis

Published: January 28, 2025

Improving the Determination of Carbon Isotope Ratios of Endogenous Steroids Found in Human Serum.

Improving the Determination of Carbon Isotope Ratios of Endogenous Steroids Found in Human Serum.

Journal: Drug testing and analysis

Published: July 10, 2024

A comprehensive gas chromatography electron ionization high resolution mass spectrometry study of a new steroidal selective androgen receptor modulator (SARM) compound S42.

A comprehensive gas chromatography electron ionization high resolution mass spectrometry study of a new steroidal selective androgen receptor modulator (SARM) compound S42.

Journal: Journal of mass spectrometry : JMS

Published: May 06, 2024

Unravelling the threat of contamination in elite sports: Exploring diverse sources impacting adverse analytical findings and the risk of inadvertent exposure to prohibited substances.

Unravelling the threat of contamination in elite sports: Exploring diverse sources impacting adverse analytical findings and the risk of inadvertent exposure to prohibited substances.

Journal: Forensic science international

Published: March 11, 2024

Showing 1-12 of 79

Last Updated: 09/26/2026