Ongoing
| 2020– | NAMC – North Atlantic Microplastic Centre, Sparebankstiftelsen |
| 2020–2023 | MICRO-OPT – towards an environmental risk assessment of microplastics – optimization of monitoring methods and test battery for ecotoxicology testing, Handelens Miljøfond |
| 2020–2023 | REVEAL – Formation of small plastic particles in the environment and their bioavailability, accumulation and impacts on aquatic species, Norwegian Research Council (MILJØFORSK) |
| 2019–2023 | LimnoPlast – Microplastics in Europe’s freshwater ecosystems: From sources to solutions, European Commission, H2020 Innovative training network |
| 2017–2020 | PLAWES – Plastics in the model system Weser-Wadden Sea, German Federal Ministry of Education and Research, Germany |
| 2016–2021 | PlastX – Plastics as Systemic Risk for Social-Ecological Supply Systems, German Federal Ministry of Education and Research, Germany |
Finished
| 2016–2019 | MiWa – Microplastics in the water cycle, German Federal Ministry of Education and Research, Germany |
| 2014–2019 | Fate and effects of microplastics in large rivers, German Federal Ministry for Transportation and Infrastructure, Germany |
| 2015–2017 | FreshwaterMPs – Environmental fate and effects of microplastics in freshwater ecosystems, Horizon 2020 Marie Skłodowska-Curie Actions |
| 2011–2017 | ATHENE – Designing new technical wastewater treatment solutions targeted for organic micropollutant biodegradation, European Research Council, Final report summary |
| 2015 | Eco-Tox Box – Removal of estrogens and antiestrogens in wastewater by activated carbon treatment, Innovation fund for sustainable development, Tübingen University, Germany |
| 2014–2015 | Fate of estrogens and antiestrogens during advanced treatment of hospital wastewater, Ministry of Environment, North-Rhine Westphalia, Germany, Final report (in German) |
| 2013 | Pilot study on microplastics in freshwater ecosystems, Federal Institute for Hydrology, Germany |
| 2012–2016 | SchussenAktivplus, Federal Ministry of Education and Research, Germany |
| 2012–2015 | ENDETECH, European Commission (FP7), Final report summary |
| 2011–2015 | TransRisk, Federal Ministry of Education and Research, Germany, Final report |
| 2010–2011 | Mitigation of micropollutants in the aquatic environment with emphasis to advanced wastewater treatment, Federal Environment Agency, Germany (conducted at the Federal Institute for Hydrology) |
| 2007–2010 | Characterization of Endocrine Disruptors from plastic materials by means of bioassays, Federal Environment Agency, Germany, Final report (in German) |