1. a Laboratory of Bacteriology, Department of Microbiology, Center of Biological Sciences, Universidade Estadual de Londrina, Londrina, Brazil
2. b Department of Chemistry, Center of Exact Sciences, Universidade Estadual de Londrina, Londrina, Brazil
3. c Department of Civil Construction, Center of Technology and Urbanization, Universidade Estadual de Londrina, Londrina, Brazil