1. CNR-Licryl Lab.
2. NANOTEC Institute
3. 87036 Rende
4. Italy
5. Department of Medico-surgical Sciences and Biotechnologies
6. Sapienza University of Rome
7. 04100 Latina
8. Colegio de Ciencias e Ingenieria
9. Universidad San Francisco de Quito
10. Quito
11. Ecuador
12. Department of Physical Chemistry
13. University of Geneva
14. CH-1211 Geneva 4
15. Switzerland
16. Department of Physics