MEDSynth Group- Department of Science and Drug Technology- University of Torino (Italy) Via Pietro Giuria 9, 10125 - Torino (Italy) Phone +39 011 6707181 / 6707195 / 6707193 FAX +39 011 6707987 E-mails: marco.lolli@unito.it; donatella.boschi@unito.it