1. B. M. Silveira; Post Graduation Program in Pharmaceutics Sciences; Departament of Pharmacy; Federal University of Ouro Preto, UFOP; Campus Morro do Cruzeiro; Ouro Preto Minas Gerais Brazil
2. K. M. Novack, V. M. Rebello dos Santos; Departament of Chemistry; Federal University of Ouro Preto, UFOP; Campus Morro do Cruzeiro; Ouro Preto Minas Gerais Brazil
3. K. M. Novack; Post Graduation of Materials Engineering (REDEMAT) − Federal University of Ouro Preto; Rua Tiradentes, Centro; Ouro Preto Minas Gerais Brazil
4. H. C. Marcondes; Postgraduate Program in Chemistry; Departament of Chemistry; Federal University of Minas Gerais, UFMG; Campus Pampulha Belo Horizonte Minas Gerais Brazil