Considerable economic damage is caused by biofilms on material surfaces originating when materials are in contact with aqueous biological systems. The fields concerned and the impacts are manifold. They cover material damage due to biofouling processes, bacterial loads of water lines (e.g. in hospitals, food processing industry) as well as inflammable processes caused by biofilms on biomaterial surfaces, e.g. on implants. Therefore, (macro)molecular interfacial reactions at the interface between material surfaces and the biological system are of basic interest for the development of advanced materials. One important aspect is the improvement of the long-term stability of implants. Interfacial reactions change relevant physical and chemical surface parameters, such as the surface free energy or the wettability. Questions arise on how these initial reactions influence the following biological answer of biofilm formation.
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