1. DPML/LIBS, Integrated Laboratory of Biomolecules, Federal University of Ceará, Fortaleza, Brazil
2. School of Dentistry, Universidade de Fortaleza - UNIFOR, Fortaleza, Brazil
3. School of Dentistry, Faculdades INTA, Sobral, Brazil
4. Department of Biological Sciences, Universidade do Estado do Rio Grande do Norte, Mossoró, Brazil
5. Institute of Biological Science, Universidade Federal de Goiás, Goiânia, Brazil
6. Institute of Chemistry, Universidade Estadual Paulista (UNESP), Araraquara, Brazil