1. Institute of Physical Chemistry, University of Hamburg, Grindelallee 117, 20146 Hamburg, Germany, Department of Diagnostic and Interventional Radiology, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany, Department of Biochemistry and Molecular Biology II: Molecular Cell Biology, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany, Ludwig-Maximilians-University, Center of NanoScience, Amalienstrasse 54, 80799 Munich, Germany, and...