1. Max Planck Institute of Colloids and Interfaces, 14424 Potsdam-Golm, Germany, Institute of Biocolloid Chemistry, Vernadsky Av., 42, 03142 Kiev, Ukraine, Institute of Colloid Chemistry and Chemistry of Water, 42 Vernadsky Av., 03680 Kiev, Ukraine, and Medical University Donetsk, 16 Ilych Avenue, 83003 Donetsk, Ukraine