1. Department of NanoBiophotonics, Max-Planck-Institute for Biophysical Chemistry, 37070 Göttingen, Germany, Photochemistry Center, Russian Academy of Sciences, Novatorov Str. 7a, Moscow 119421, Russia, and Moscow State Academy of Veterinary Medicine and Biotechnology, Acad. Skryabina Str. 23, Moscow 109472, Russia