[1] Tech Univ Munich, Dept Chem, Wacker Lehrstuhl Makromol Chem, D-85747 Garching, Bavaria, Germany
[2] Tech Univ Dresden, Dept Chem, D-01062 Dresden, Saxony, Germany
[3] Univ Nebraska Med Ctr, Ctr Drug Delivery & Nanomed, Omaha, NE 68198 USA
[4] Moscow MV Lomonosov State Univ, Fac Chem, Lab Chem Design Bionanomat, Moscow 117234, Russia