Development of New Composition of Bioactive Glass Powder from SiO2-CaO-Na2O-P2O5 System through Melt-Derived Route

In this studies, melt-derived route was employed to fabricate new composition of bioactive glass (BG) from SiO2-CaO-Na2O-P2O5 system. Amorphous glass structure is confirmed through X-ray diffraction (XRD). Fourier transform infrared spectroscope (FTIR) confirmed the formation of silica network with the existence of functional groups Si-O-Si (bend), Si-O-Si (tetrahedral) and Si-O-Si (stretch) for all glass composition. The bioactivity of all BG is verified by incubation in Hank’s Balanced Salt Solution (HBSS) for 1h and 24h. Based on XRD pattern, it is confirmed that all glass composition remained in amorphous structure even after 24h of immersion with weak characteristic of carbonate group (C-O) and P-O band detected in FTIR analysis on carbonated hyrdoxyapatite (CHA) formation. Therefore, the objective to develop new composition of BG is achiveable despite the lack of CHA formation.

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