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Cytocompatible scaffolds of poly(L-lactide)/reduced graphene oxide for tissue engineering

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Resumo:Poly(L-lactide)/reduced graphene oxide (PLLA/rGO) scaffolds were studied in the present work. The scaffolds were fabricated by TIPS (thermally induced phase separation). Nonisothermal crystallization study for PLLA/rGO was investigated and revealed the nucleating effect of rGO. rGO effect on cytotoxicity, thermal properties, and hydrolysis resistance of PLLA and PLLA/rGO scaffolds were analysed. In vitro degradation in phosphate-buffered solution at 37 degrees C is analyzed over twelve weeks. A high crystalline behaviour reduces the speed of hydrolysis and therefore implies less variation in pH, mass loss and water up take. The rGO does not seem to accelerate the degradation process. Finally, rGO contents in PLLA up to 1 wt% dos not lead to cytotoxic effect, the scaffolds supporting cell adhesion and proliferation.
Autores principais:Díaz, E.
Outros Autores:Iglesias, N.; Ribeiro, Sylvie Oliveira; Lanceros-Méndez, S.
Assunto:PLLA rGO hydrolysis cytocompatible bone regeneration
Ano:2021
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Universidade do Minho
Idioma:inglês
Origem:RepositóriUM - Universidade do Minho

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