1. São Carlos Institute of Physics, University of São Paulo, 13566-590 São Carlos, Brazil
2. National Laboratory of Nanotechnology for Agribusiness (LNNA), Embrapa Instrumentation, 13560-970 São Carlos, Brazil
3. Molecular Oncology Research Center, Barretos Cancer Hospital, 14784-400 Barretos, Brazil
4. Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
5. ICVS/3B’s - PT Government Associate Laboratory, Braga/Guimarães, Portugal