1. Department of Chemical Engineering, Federal University of Ceará (UFC), Fortaleza, Ceará 60455-760, Brazil
2. Department of Pathology and Forensic Medicine, Federal University of Ceará (UFC), Fortaleza, Ceará 60430-160, Brazil
3. Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, São Paulo 13083-970, Brazil
4. Department of Environmental Engineering Sciences, University of Florida, Gainesville, Florida 32611-6540, United States
5. Department of Physics, Federal University of Ceará (UFC), Bloco 922, Fortaleza, Ceará 60455-760, Brazil