1. NanoBioMedical
Centre, Adam Mickiewicz University, ul. Umultowska 85, 61-614 Poznan, Poland
2. Institute
of Physics, University of Silesia, ul. Uniwersytecka 4, 40-007 Katowice, Poland
3. Leibniz Institute of Polymer Research Dresden, Hohe Str. 6, D-01069 Dresden, Germany