Dr. Hanna Joerss
Dr. Hanna Joerss
Organic Environmental Chemistry
ScientistPhone: +49 (0)4152 87-2353
Fax: +49 (0)4152 87-2332
Deputy Head of Department
My research focuses on the development and application of analytical methods for the determination of organic pollutants in the marine environment. During my PhD, I investigated sources, transport and sinks of per- and polyfluoroalkyl substances (PFAS). In particular, I focused on the transition from banned PFAS to replacement compounds and upcoming analytical techniques addressing the entire group of contaminants. My current postdoctoral research deals with developing and applying high-resolution mass spectrometry-based approaches to identify novel pollutants of concern.
My expertise covers the following areas:
- Ultra-trace analysis of organic pollutants.
- Mass spectrometry (LC-MS/MS, LC-HRMS).
- Suspect screening of organic contaminants in environmental samples.
- Sum parameters for the analysis of PFAS (Total Oxidizable Precursor Assay).
- Sampling and analysis of seawater, river water and sediment samples.
- Since 2020 Postdoctoral Researcher
Helmholtz-Zentrum Hereon, Environmental Chemistry, today Helmholtz-Zentrum Hereon, Institute of Coastal Environmental Chemistry - 2016 - 2020 PhD Student
Helmholtz-Zentrum Hereon, Environmental Chemistry - 2013 - 2016 Analytical Services Manager
Eurofins GfA Lab Service, Hamburg - 2012 - 2013 “Practical Year” for Food Chemists, State Examination
State Agency for Nature, Environment and Consumer Protection North Rhine-Westphalia - 2007 - 2012 Bachelor and Master of Science in Food Chemistry
University of Münster - 2006 - 2007 International Voluntary Service
Reuth Medical Center, Tel Aviv, Israel
2023
- Joerss, H.; Menger, F. (2023) . The complex ‘PFAS world’ - how recent discoveries and novel screening tools reinforce existing concerns. Current Opinion in Green and Sustainable Chemistry, Vol. 40, 100775. DOI: 10.1016/j.cogsc.2023.100775 . OPEN ACCESS
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