Dr. Annika Jahnke
Annika Jahnke completed her Ph.D. in Environmental Chemistry at the University of Lüneburg, studying the occurrence and distribution of polyfluorinated alkyl substances (PFAS) in the marine atmosphere. She went on to work as a postdoctoral researcher and research fellow (“Foass”) at the Department of Applied Environmental Science (ITM) at Stockholm University. In August 2014, she joined the Department Cell Toxicology at UFZ Leipzig.
Annika Jahnke´s special interest is in the development of novel methodologies to investigate chemical activity (fugacity) in the environment. The basic idea is to use the same material (i.e. the silicone polydimethylsiloxane, PDMS) as a “chemometer”, i.e. a common and well-defined reference phase for passive equilibrium sampling in different phases. The concentrations of chemicals in the silicone at equilibrium with the phases can then be used to investigate the thermodynamic status of a system. The approach has been successfully used for biota and sediment from the Baltic Sea and a Swedish lake and gave novel insight into bioaccumulation. Another application of passive equilibrium samplers focuses on the cycling of persistent organic chemicals in forest ecosystems. Annika Jahnke´s additional research interests include the environmental persistence and bioaccumulation of cyclic volatile methyl siloxanes (cVMS) and the ecological and ecotoxicological effects of microplastics on aquatic foodwebs.
At UFZ, a focus will be on linking sampling using polymer-based chemometers with cell-based bioassays to improve the link between the exposure to chemicals in the environment and toxicological effects.
A current list of publications can be found at http://www.researcherid.com/rid/D-4528-2013.