1. Department
of Chemical and Pharmaceutical Sciences, University of Trieste and INSTM Trieste Unit, via L. Giorgieri 1, 34127 Trieste, Italy
2. Dipartimento
di Scienze Molecolari e Nanosistemi and Centro di Microscopia Elettronica
R. Stevanato, Università Ca’ Foscari Venezia, Via
Torino 155/b, 30172 Venezia-Mestre, Italy
3. NanoMed
lab, Fondazione IRCCS, Istituto Neurologico “Carlo Besta”, IFOM-IEO-campus, via Adamello, 20133 Milan, Italy
4. Institute
of Materials, École Polytecnique Fédérale de Lausanne, Lausanne CH-1015, Switzerland