1. Department of Environmental Engineering Sciences, Engineering School of Sustainable Infrastructure & Environment, University of Florida, P.O. Box 116580, Gainesville, Florida 32611-6580, United States
2. Physical Chemistry Department, Institute of Chemistry, University of Campinas—UNICAMP, P.O. Box 6154, 13083-970 Campinas, São Paulo, Brazil
3. Solid-Biological Interface Group (SolBIN), Department of Physics, Federal University of Ceará—UFC, P.O. Box 6030, 60455-900 Fortaleza, Ceará, Brazil