1. Department of Chemistry
2. Division of Natural and Exact Sciences
3. University of Guanajuato (UG)
4. Guanajuato
5. Gto. Mexico
6. University of California
7. Irvine
8. 92697-2025
9. Department of Biology
10. Centro de Investigación en Materiales Avanzados S.C. (CIMAV-Unidad Monterrey)
11. Apodaca
12. 66628 Mexico