World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
50
Citations
8928
World Ranking
14381
National Ranking
1055

Overview

Hans Geyer is affiliated with the German Sport University Cologne in Germany. Their research work spans multiple fields, with a significant focus on medicine and biochemistry, genetics, and molecular biology. The scientist's main subfields include endocrinology, diabetes and metabolism, cell biology, genetics, sociology and political science, and animal science and zoology.

Their research topics cover areas such as hormonal and reproductive studies, muscle metabolism and nutrition, doping in sports, pharmacological effects and assays, high altitude and hypoxia, sports performance and training, and metabolomics and mass spectrometry studies.

Among their recent publications are the following papers:

  • UEFA expert group statement on nutrition in elite football. Current evidence to inform practical recommendations and guide future research, 2020, British Journal of Sports Medicine
  • Dietary Supplement and Food Contaminations and Their Implications for Doping Controls, 2020, Foods
  • Sports drug testing and the athletes' exposome, 2021, Drug Testing and Analysis
  • Can dried blood spots (DBS) contribute to conducting comprehensive SARS-CoV-2 antibody tests?, 2020, Drug Testing and Analysis
  • Do dried blood spots (DBS) have the potential to support result management processes in routine sports drug testing?, 2020, Drug Testing and Analysis

Frequent publication venues for Hans Geyer include:

  • Drug Testing and Analysis
  • British Journal of Sports Medicine
  • Analytical and Bioanalytical Chemistry
  • Rapid Communications in Mass Spectrometry
  • Analytical Science Advances

Hans Geyer has collaborated often with other researchers, including:

  • Mario Thevis
  • Andreas Thomas
  • Tiia Kuuranne
  • André Knoop

Best Publications

  • Dietary Supplement Use among Elite Young German Athletes

    Hans A. Braun;Karsten Koehler;Hans Geyer;Jens Kleinert

  • Analysis of non-hormonal nutritional supplements for anabolic-androgenic steroids - results of an international study.

    H. Geyer;M. K. Parr;U. Mareck;U. Reinhart

  • Nutritional supplements cross-contaminated and faked with doping substances

    Hans Geyer;Maria Kristina Parr;Karsten Koehler;Ute Mareck

  • Factors influencing the steroid profile in doping control analysis

    Ute Mareck;Hans Geyer;Georg Opfermann;Mario Thevis

  • Sensitive determination of prohibited drugs in dried blood spots (DBS) for doping controls by means of a benchtop quadrupole/Orbitrap mass spectrometer.

    Andreas Thomas;Hans Geyer;Wilhelm Schänzer;Catharina Crone

  • Determination of 13C/12C ratios of endogenous urinary steroids: method validation, reference population and application to doping control purposes.

    Thomas Piper;Ute Mareck;Hans Geyer;Ulrich Flenker

  • Long-term detection and identification of metandienone and stanozolol abuse in athletes by gas chromatography-high-resolution mass spectrometry

    Wilhelm Schänzer;Philippe Delahaut;Hans Geyer;Mark Machnik

  • Screening for unknown synthetic steroids in human urine by liquid chromatography-tandem mass spectrometry.

    Mario Thevis;Hans Geyer;Ute Mareck;Wilhelm Schänzer

  • Annual banned‐substance review: Analytical approaches in human sports drug testing

    Mario Thevis;Tiia Kuuranne;Hans Geyer;Wilhelm Schänzer

  • Reference ranges for urinary concentrations and ratios of endogenous steroids, which can be used as markers for steroid misuse, in a Caucasian population of athletes.

    Pieter Van Renterghem;Peter Van Eenoo;Hans Geyer;Wilhelm Schänzer

  • Anabolic agents: recent strategies for their detection and protection from inadvertent doping

    Hans Geyer;Wilhelm Schänzer;Mario Thevis

  • Mass spectrometric identification and characterization of a new long-term metabolite of metandienone in human urine.

    Wilhelm Schänzer;Hans Geyer;Gregor Fußhöller;Natalia Halatcheva

  • Confiscated black market products and nutritional supplements with non-approved ingredients analyzed in the cologne doping control laboratory 2009

    Maxie Kohler;Andreas Thomas;Hans Geyer;Michael Petrou

  • Sports drug testing using complementary matrices: Advantages and limitations

    Mario Thevis;Hans Geyer;Laura Tretzel;Wilhelm Schänzer

  • Metabolism of metandienone in man: Identification and synthesis of conjugated excreted urinary metabolites, determination of excretion rates and gas chromatographic-mass spectrometric identification of bis-hydroxylated metabolites

    W. Schänzer;H. Geyer;M. Donike

  • High‐throughput screening for various classes of doping agents using a new ‘dilute‐and‐shoot’ liquid chromatography‐tandem mass spectrometry multi‐target approach

    S. Guddat;E. Solymos;A. Orlovius;A. Orlovius;A. Thomas

  • Determination of growth hormone releasing peptides (GHRP) and their major metabolites in human urine for doping controls by means of liquid chromatography mass spectrometry

    Andreas Thomas;Sebastian Höppner;Hans Geyer;Wilhelm Schänzer

  • Analysis of Confiscated Black Market Drugs Using Chromatographic and Mass Spectrometric Approaches

    Mario Thevis;Yvonne Schrader;Andreas Thomas;Gerd Sigmund

  • Mass spectrometric determination of gonadotrophin-releasing hormone (GnRH) in human urine for doping control purposes by means of LC-ESI-MS/MS.

    Andreas Thomas;Hans Geyer;Matthias Kamber;Wilhelm Schänzer

  • Serum testosterone and urinary excretion of steroid hormone metabolites after administration of a high-dose zinc supplement

    K Koehler;M K Parr;H Geyer;J Mester

  • Detection of dihydrotestosterone (DHT) doping: alterations in the steroid profile and reference ranges for DHT and its 5 alpha-metabolites.

    M Donike;M Ueki;Y Kuroda;H Geyer

Frequent Co-Authors

Mario Thevis
Mario Thevis German Sport University Cologne
Wilhelm Schänzer
Wilhelm Schänzer German Sport University Cologne
Jordi Segura
Jordi Segura Pompeu Fabra University
Jiri Dvorak
Jiri Dvorak Schulthess Clinic
Ronald J. Maughan
Ronald J. Maughan University of St Andrews
Louise M. Burke
Louise M. Burke Australian Catholic University
Stuart M. Phillips
Stuart M. Phillips McMaster University
Tim Meyer
Tim Meyer University College London
Asker E. Jeukendrup
Asker E. Jeukendrup Loughborough University
Lawrence E. Armstrong
Lawrence E. Armstrong University of Connecticut

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Chemistry in the USA opens doors to a variety of rewarding career pathways, many of which can be pursued through related online degrees. For those interested in healthcare, understanding how to become a pharmacist can provide insight into the demanding education requirements and competitive pharmacist salary prospects. This path combines chemistry knowledge with patient care, making it a popular choice for chemistry majors.

Alternatively, careers in forensic science offer exciting opportunities for those fascinated by the application of chemistry in legal investigations. Programs like the forensic science degree online provide flexible education options to build skills in crime scene analysis and laboratory techniques.

For students curious about the intersection of science and law enforcement, exploring autopsy technician school is essential. This training equips students with anatomy and chemistry knowledge to assist medical examiners and contribute to vital investigations.

Lastly, combining chemistry knowledge with behavioral science is possible through forensic psychology master's programs online. This degree emphasizes understanding criminal behavior and psychological assessment, rounding out a diverse array of career options that build on a foundation in chemistry.

Best Scientists Citing Hans Geyer

Trending Scientists

Recently Published Articles