A

Researcher Profile

Andrea Geistanger

🏛 111618 Roche Diagnostics GmbH , Penzberg , Germany

2

Publications

2

Citations

10

Co-Authors

2

Active Years

Publications

Open Access Journal Article Clinical Chemical Laboratory Medicine Jan 26, 2026

An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of 5-alpha-dihydrotestosterone in human serum and plasma

Lea Lewin · Michael Stadlmeier · Neeraj Singh · Friederike Bauland +6 more

10.1515/cclm-2025-1155 1 citations

Open Access Journal Article Clinical Chemical Laboratory Medicine Nov 04, 2025

An isotope dilution-liquid-chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of total and free valproic acid in human serum and plasma

Tobias Schierscher · Linda Salzmann · Neeraj Singh · Sandra Fleischer +7 more

10.1515/cclm-2025-1053 1 citations

Publication Timeline

2026

1

2025

1

Frequent Co-Authors

Friederike Bauland

Christoph Seger

Carina Schäfer

Alexander Gaudl

Sandra Fleischer