1. Department of Chemistry, Division of Natural and Exact Sciences, University of Guanajuato, Noria Alta S/N, Col. Noria Alta, Guanajuato C.P., 36050, Guanajuato, Mexico
2. Department of Chemistry and Chemical Biology, McMaster University, 1280 Main St. W, Hamilton, ON L8S 4M1, Canada
3. Biopolymers and Nanostructures Laboratory, Faculty of Chemical Sciences, Autonomous University of San Luis Potosí, S.L.P., C.P. 78210, Mexico