1. Department of Chemistry, Alexandru Ioan Cuza University of Iasi, No. 11 Carol I Blvd., 700506 Iasi, Romania
2. Institute of Organic Chemistry, Technical University of Braunschweig, Hagenring 30, D-38106 Braunschweig, Germany
3. Institute of Inorganic and Analytical Chemistry, Technical University of Braunschweig, Hagenring 30, D-38106 Braunschweig, Germany
4. Center of Advanced Research in Bionanoconjugates and Biopolymers—Intelcenter, Petru Poni Institute of Macromolecular Chemistry, No. 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania