Does surface charge play a role in nanoparticulate-systems toxicity?

Bettencourt, A.; Graça, D.F.; Ferreira, IFS; Matos, A.; Louro, Henriqueta; Silva, Maria João; Almeida, A.J.; Gonçalves, L.M.

http://hdl.handle.net/10400.18/3435

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The 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.