1. Laboratory
of Physical and Macromolecular Chemistry, Department of Chemical and
Pharmaceutical Sciences, University of Trieste, via Giorgieri 1, I-34127 Trieste, Italy
2. Elettra Sincrotrone Trieste, Area Science Park, I-34149 Trieste, Italy
3. Department
of Chemistry, Biology and Biotechnologies, University of Perugia, via Elce di Sotto 8, I-06123 Perugia, Italy
4. Department
of Science and High Technology, To.Sca.Lab and INSTM, University of Insubria, via Valleggio 11, I-22100 Como, Italy
5. Centro
Ricerche Bracco, Bracco Imaging SpA, via Ribes 5, I-10010 Colleretto Giacosa, Turin, Italy