Catarina R Almeida1, Beatriz H Ferreira1,2, Iola F Duarte3. 1. iBiMED - Institute of Biomedicine, Department of Medical Sciences, University of Aveiro, Aveiro, Portugal. 2. CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Aveiro, Portugal. 3. CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Aveiro, Portugal. ioladuarte@ua.pt.