An investigation on 45S5 nanobioactive glass using FTIR and Raman spectroscopy

Sharda Sundaram Sanjay, Pratibha Yadav, Nidhi Asthana, Mrigank Mauli Dwivedi, Kamlesh Pandey

Article ID: 4152
Vol 6, Issue 2, 2023

VIEWS - 198 (Abstract) 52 (PDF)


Bioactive materials are those that cause a number of interactions at the biomaterial-living tissue inter-face that result in the evolution of a mechanically strong association between them. For this reason, an implantable material’s bioactive behavior is highly advantageous. Silicate glasses are encouraged to be used as bioactive glasses due to their great biocompatibility and beneficial biological effects. The sol-gel method is the most effective for preparing silicate glasses because it increases the material’s bioactivity by creating pores. Glass densities are altered by the internal network connectivity between network formers and network modifiers. The increase in the composition of alkali or alkaline oxides reduces the number of bridging oxygens and increases the number of non-bridging oxygens by retaining the overall charge neutrality between the alkali or alkaline cation and oxygen anion. Higher drying temperatures increase pore densities, while the melt-quenching approach encourages the creation of higher density glasses. Band assignments for the BAG structure can be explained in detail using Fourier Transform Infrared (FTIR) and Raman spectroscopic investigations. Raman spectroscopy makes it simple to measure the concentration of the non-bridging oxygens in the silica matrix.


bioactive glass (BAG); FT-IR; Raman spectra; melt-quench; EPMA

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