1. Biological Chemistry and Chemometrics Research Group
2. Institute of Chemistry
3. Federal University of Rio Grande do Norte
4. Natal
5. Brazil
6. Brain Institute
7. Laboratório de Bioinorgânica e Cristalografia
8. Departamento de Química
9. Universidade Federal de Santa Catarina
10. 88040-900 Florianópolis-SC
11. Laboratory of Microscopy Applied to Life Science – Lamav
12. National Instituto of Metrology
13. Quality and Tecnology – Inmetro
14. Rio de Janeiro