Daniel Koppl

Erlangen, BY, Germany

Last Updated: 09/26/2026

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Found 16 publications

An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of 17-hydroxyprogesterone in human serum and plasma.

An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of 17-hydroxyprogesterone in human serum and plasma.

Journal: Clinical chemistry and laboratory medicine
Published: September 05, 2025

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.

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.

Journal: Clinical chemistry and laboratory medicine
Published: September 03, 2025

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

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

Journal: Clinical chemistry and laboratory medicine
Published: September 03, 2025

An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of cortisol in human urine.

An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of cortisol in human urine.

Journal: Clinical chemistry and laboratory medicine
Published: April 30, 2025

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

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

Journal: Clinical chemistry and laboratory medicine
Published: April 28, 2025

An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of dehydroepiandrosterone sulfate in human serum and plasma.

An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of dehydroepiandrosterone sulfate in human serum and plasma.

Journal: Clinical chemistry and laboratory medicine
Published: February 14, 2025

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

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

Journal: Clinical chemistry and laboratory medicine
Published: December 20, 2024

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

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

Journal: Clinical chemistry and laboratory medicine
Published: October 29, 2024

An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of 17β-estradiol in human serum and plasma.

An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of 17β-estradiol in human serum and plasma.

Journal: Clinical chemistry and laboratory medicine
Published: October 28, 2024

Candidate reference measurement procedure based on isotope dilution-two dimensional-liquid chromatography-tandem mass spectrometry for the quantification of androstenedione in human serum and plasma.

Candidate reference measurement procedure based on isotope dilution-two dimensional-liquid chromatography-tandem mass spectrometry for the quantification of androstenedione in human serum and plasma.

Journal: Clinical chemistry and laboratory medicine
Published: September 30, 2024

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

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

Journal: Clinical chemistry and laboratory medicine
Published: August 02, 2024

Report from the HarmoSter study: different LC-MS/MS androstenedione, DHEAS and testosterone methods compare well; however, unifying calibration is a double-edged sword.

Report from the HarmoSter study: different LC-MS/MS androstenedione, DHEAS and testosterone methods compare well; however, unifying calibration is a double-edged sword.

Journal: Clinical chemistry and laboratory medicine
Published: October 12, 2023
Showing 1-12 of 16

Last Updated: 09/26/2026