1. Analytical Chemistry – Biointerfaces Ruhr University Bochum 44801 Bochum Germany
2. Institute of Physical and Theoretical Chemistry TU Braunschweig Rebenring 56 38106 Braunschweig Germany
3. Physical Chemistry University of Paderborn 33098 Paderborn Germany
4. Deutsches Elektronen-Synchrotron DESY Notkestrasse 85 Hamburg Germany
5. Nanotech Consulting Liblarer Strasse 8 50321 Brühl Germany
6. Physical Chemistry II Ruhr University Bochum 44801 Bochum Germany