1. Karlsruhe Institute of Technology, Engler-Bunte-Institute,
Water Chemistry and Water Technology, Engler-Bunte-Ring 1, 76131 Karlsruhe, Germany
2. Karlsruhe Institute of Technology, Institute of Functional
Interfaces (IFG), Microbiology of Natural and Technical Interfaces
Department, Hermann von
Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany