1. Institute for Chemical Technology and Polymer Chemistry (ITCP), Karlsruhe Institute of Technology (KIT), Engesserstraße 18, 76131 Karlsruhe, Germany
2. National Research and Development Institute for Cryogenic and Isotopic Technologies (ICSI Rm. Valcea), Uzinei Street No. 4, 240050 Râmnicu Valcea, Romania
3. Institute for Biological Interfaces III (IBG-3), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany