Maria K. Parr

Königin Luise Str. 2 + 4
Berlin, BE 14195, Germany

Last Updated: 09/26/2026

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Found 121 publications

New Insights Into Metandienone Metabolism by Untargeted Gas Chromatography-High-Resolution Mass Spectrometry.

New Insights Into Metandienone Metabolism by Untargeted Gas Chromatography-High-Resolution Mass Spectrometry.

Journal: Rapid communications in mass spectrometry : RCM

Published: March 13, 2026

How reliable is the labeling of a commercial phytosteroid product? A 12-week randomized double-blind training study.

How reliable is the labeling of a commercial phytosteroid product? A 12-week randomized double-blind training study.

Journal: Journal of the International Society of Sports Nutrition

Published: August 09, 2025

Sustainability in Analytical Chemistry Illustrated by Pharmaceutical Nitrosamine Testing.

Sustainability in Analytical Chemistry Illustrated by Pharmaceutical Nitrosamine Testing.

Journal: Electrophoresis

Published: June 28, 2025

Overcoming the Challenge of Confident Identification Among Two Related Groups of 17-Methyl Steroids by GC-MS.

Overcoming the Challenge of Confident Identification Among Two Related Groups of 17-Methyl Steroids by GC-MS.

Journal: Journal of separation science

Published: June 10, 2025

Methylclostebol Metabolism Discovery by Untargeted Analysis.

Methylclostebol Metabolism Discovery by Untargeted Analysis.

Journal: Rapid communications in mass spectrometry : RCM

Published: May 08, 2025

Toxicological effects of microplastic fibers from different disposable face masks on Caenorhabditis elegans.

Toxicological effects of microplastic fibers from different disposable face masks on Caenorhabditis elegans.

Journal: Ecotoxicology and environmental safety

Published: March 25, 2025

Reduced and rearranged metabolite structures after metandienone administration: New promising metabolites for potential long-term detection.

Reduced and rearranged metabolite structures after metandienone administration: New promising metabolites for potential long-term detection.

Journal: The Journal of steroid biochemistry and molecular biology

Published: March 14, 2025

Same, but different: Variations in fragment ions among stereoisomers of a 17α-methyl steroid in gas chromatography/electron ionization mass spectrometry.

Same, but different: Variations in fragment ions among stereoisomers of a 17α-methyl steroid in gas chromatography/electron ionization mass spectrometry.

Journal: Rapid communications in mass spectrometry : RCM

Published: August 05, 2024

Supercritical fluid chromatography.

Supercritical fluid chromatography.

Journal: Drug testing and analysis

Published: June 19, 2024

Oligonucleotide therapeutics in sports? An antidoping perspective.

Oligonucleotide therapeutics in sports? An antidoping perspective.

Journal: Archiv der Pharmazie

Published: May 21, 2024

Machine learning methods for compound annotation in non-targeted mass spectrometry-A brief overview of fingerprinting, in silico fragmentation and de novo methods.

Machine learning methods for compound annotation in non-targeted mass spectrometry-A brief overview of fingerprinting, in silico fragmentation and de novo methods.

Journal: Rapid communications in mass spectrometry : RCM

Published: May 08, 2024

Characterization and quantitation of a sulfoconjugated metabolite for detection of methyltestosterone misuse and direct identification by LC-MS.

Characterization and quantitation of a sulfoconjugated metabolite for detection of methyltestosterone misuse and direct identification by LC-MS.

Journal: The Journal of steroid biochemistry and molecular biology

Published: March 17, 2024

Showing 1-12 of 121

Last Updated: 09/26/2026