Bettencourt, A.Graça, D.F.Ferreira, IFSMatos, A.Louro, HenriquetaSilva, Maria JoãoAlmeida, A.J.Gonçalves, L.M.2016-02-192016-02-192015-02http://hdl.handle.net/10400.18/3435The aim of the present work was to compare the toxicity of relevant biomedical acrylic based particulate systems (polymethylmethacrylate – PMMA), with different charges, within the same size range (500nm). Specifically, PMMA (negatively charged) and PMMA-Eudragit (positively charged) formulations were considered.engGenotoxicidade AmbientalNanomateriaisNanotecnologiaPMMAToxicityNanomaterialsNanotoxicologyconference object