Structural and elastic properties of Strontium doped Phosphate bioactive glasses
Keywords:
phosphate glasses, osteogenesis, FTIR, elastic moduliAbstract
Bioactive glasses are a class of biomaterials which have the potential of becoming suitable candidates for osteogenesis. The glasses made with phosphate as the former have exceptional properties. The functional characteristics are due to the lower values of viscosity and dispersion and higher values of refractive indices. These glasses show high transparency in the range of UV spectrum. Inclusion of oxides first group and second group elements i.e., alkali and alkaline earth metal oxides respectively into the glass network modify the properties and increase the chemical resistance of phosphate glasses. Different compositions of strontium doped phosphate glasses were prepared using melt quench technique. X – Ray Diffraction (XRD) studies were performed in order to confirm the amorphous nature . The effect of adding modifier into the glass matrix was evaluated using FTIR characterization. The elastic parameters like moduli and Poisson’s ratio were calculated using Makishima and Mackenzie model. It was validated that modifiers have a significant impact on glass structure and bioactivity. These glasses are found to be capable in reducing burden on metallic biomaterials for osteogenesis and hence contribute for sustainable environment.
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