Abstract
ABSTRACTBioactive materials based on polymer/hydroxyapatite are currently being extensively investigated as materials for promotion of bone tissue regeneration and reconstruction [1]. In this work, a material interpenetrating based on poly 2-hydroxyethyl methacrylate (pHEMA), Chitosan and hydroxyapatite (HA) was prepared following the methodology of the foaming gas Damla Çetin [2], generating an interpenetrated network with the chitosan filled with hydroxyapatite. The materials were evaluated by thermal gravimetric analysis (TGA) and in vitro bioactivity [3] (SBF) and characterized by using scanning electron microscopy (SEM). The TGA studies suggested that there was not existence of possible interactions between polymers and HA but there is a thermal stability increase in the HA content. Meanwhile, SBF and its characterization by SEM, was found that the materials are bioactives as indicated by the formation of a bone-like apatite layer after immersion in simulated body fluid, indicating the potential of this material for use in bone tissue engineering.
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