1. Department
of Chemistry, Istanbul Technical University, 34469 Maslak, Istanbul, Turkey
2. Soft
Matter and Functional Materials, Helmholtz-Zentrum Berlin, Hahn-Meitner-Platz
1, D-14109 Berlin, Germany
3. Institute of Biomaterial
Science and Berlin-Brandenburg Center for Regenerative Therapies,
Helmholtz-Zentrum Geesthacht, Kantstr.
55, 14513 Teltow, Germany