1. Biocompatible Nanomaterials, Institute for Materials Science, Kiel University, Kaiserstr. 2, 24143 Kiel, Germany
2. Institute for Molecular Systems Engineering (IMSE), Heidelberg University, Im Neuenheimer Feld 253, 69120 Heidelberg, Germany
3. Functional Nanomaterials, Institute for Materials Science, Kiel University, Kaiserstr. 2, 24143 Kiel, Germany
4. Cryo Electron Microscopy, Centre for Advanced Materials (CAM), Heidelberg University, Im Neuenheimer Feld 225, 69120 Heidelberg, Germany
5. Institute of Metallic Biomaterials, Helmholtz-Zentrum Geesthacht, Max-Planck-Straße 1, 21502 Geesthacht, Germany
6. Department of Chemistry and Food Chemistry, Center for Advancing Electronics Dresden (cfaed), Technische Universität Dresden, 01062 Dresden, Germany
7. Max Planck School Matter to Life, Jahnstraße 29, 69120 Heidelberg, Germany