1. São
Carlos Institute of Physics, University of São Paulo, 13560-60 São Carlos, Brazil
2. Department
of Materials Engineering, São Carlos School of Engineering, University of São Paulo, 13563-120 São Carlos, Brazil
3. Molecular
Oncology Research Center, Barretos Cancer Hospital, 14784-400 Barretos, Brazil
4. ICVS/3B’s-PT
Government Associate Laboratory, Life and Health Sciences Research
Institute (ICVS), University of Minho, 4710-057 Braga, Portugal
5. Nanotechnology
National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, 13560-970 São Carlos, Brazil