1. Institute of Organic Synthesis and Photoreactivity
2. National Research Council
3. 40129 Bologna
4. Italy
5. Institute of Nanostructured Materials
6. Dipartimento di Scienze Farmaceutiche
7. Università degli Studi di Perugia
8. Perugia
9. Institute for Microelectronics and Microsystems
10. CSGI
11. Department of Pharmaceutical Sciences
12. Università degli Studi di Milano
13. 71–20133 Milano