1. Laboratory of Sensors, Nanomedicine and Nanostructured Materials Federal University of São Carlos 13600-970 Araras, SP Brazil
2. Electrochemistry and Biotechnology Laboratory – EBL University of CEUMA – UNICEUMA 65.065-470 São Luís, MA Brazil
3. Environmental study group Department of Chemistry Federal Institute of Education, Science and Technology of Maranhão Monte Castelo Campus, Getúlio Vargas Avenue 65030-005 São Luis Brazil
4. Escola de Engenharia Universidade Presbiteriana Mackenzie Higienópolis 01302-907 São Paulo, SP Brazil
5. Laboratory of Solids and Surfaces Institute of Chemistry Federal University of Rio Grande do Sul – UFRGS 91501-970 Porto Alegre, RS Brazil
6. Federal University of Santa Maria – UFSM Department of Chemistry Av. Roraima, 1000 97105-900 Santa Maria, RS Brazil
7. Department of Chemical Technology Federal University of Maranhão 65.080-040 São Luís, MA Brazil
8. Grup de Sensors i Biosensors Universitat Autònoma de Barcelona 08193 Bellaterra Spain
9. Electrochemistry and Biotechnology Laboratory (EBL) University of CEUMA (UNICEUMA) 65.065-470 São Luís, MA Brazil