1. Chemical Engineering Department; Federal Technological University of Paraná (UTFPR), Linha Santa Barbara, PO Box 135; Francisco Beltrão PR 85601-970 Brazil
2. Pharmacy Department; State University of Maringá (UEM), Av. Colombo, 5790 - Bloco K-68; Maringá PR CEP 87020-900 Brazil
3. State University of Maringá (UEM), Chemical Engineering Department (PEQ), Colombo Avenue, 5790, Bl. E-46; Maringá 87020-900 Brazil