1. Department of Chemical and Pharmaceutical Sciences University of Trieste Via L. Giorgieri 1 34127 Trieste Italy
2. Materials Synthesis Department Jožef Stefan Institute Jamova 39 1000 Ljubljana Slovenia
3. Department of Pharmaceutical Technology University of Ljubljana Aškerčeva 7 1000 Ljubljana Slovenia
4. Unit of Trieste, INSTM Via L. Giorgieri 1 34127 Trieste Italy
5. Department of Molecular Biology and Nanobiotechnology National Institute of Chemistry Hajdrihova 19 1001 Ljubljana Slovenia