| 2003-2005 | Genotoxicity of metal(loid)organic compounds in human cells (Hartwig, Dopp, Rettenmeier), project within the research group "Metal(loid)organic compounds in the environment" at the University of Essen (DFG) | |
| 2002-2005 | Genotoxicity of quartz-containing particles (DFG, DO 332/3-1) | |
| 2001-2003 | Member of the Research Group: "Metal(oid) organic compounds in the environment", own project: Genotoxicity of metal(oid) organic compounds in vivo and in vitro (DFG, Project number: FOR 415/1-1) | |
| 2000-2001 | Investigations about the genotoxic potency of bentonite particles (Winkler-Stiftung of Occupational Medicine, Germany) | |
| 1998-2000 | Cytogenetic effects in mammalian cells caused by environmental pollutants (HSP III, M/V, Germany) | |
| 1997-1998 | Induction of apoptosis in human mesothelial cell cultures in vitro caused by asbestos fibers (FORUN, Germany) |