1. International Iberian Nanotechnology Laboratory (INL), Avenida Mestre Jose Veiga, 4715-330 Braga, Portugal
2. Centre of Chemistry, University of Minho, Gualtar Campus, Braga, 4710-057, Portugal
3. Laboratory of Catalysis and Materials (LSRE-LCM), Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
4. Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal