1. Department of Ceramics and Refractory Materials, RWTH Aachen University, Aachen, Germany
2. *Zümray Vuslat Parlak and Svenja Wein contributed equally to this work.
3. Helmholtz Institute for Biomedical Engineering, BioInterface Group, RWTH Aachen University, Aachen, Germany
4. Institute of Pathology, RWTH Aachen University, Aachen, Germany
5. University Research Center, Functional Materials Warsaw University of Technology, Warsaw, Poland
6. Institute of Electronic Materials Technology, Warsaw, Poland
7. Electron Microscopic Facility, University Clinics, RWTH Aachen University, Aachen, Germany