Preparation of nanocrystalline forsterite by combustion of different fuels and their comparative in-vitro bioactivity, dissolution behaviour and antibacterial studies

Materials Science & Engineering. C, Materials for Biological Applications
Rajan ChoudharySasikumar Swamiappan

Abstract

This study presents different fuels (Glycine and Urea) that can be used to synthesize nanocrystalline forsterite by the sol-gel combustion method. The weight change of precursor during thermal treatment was studied by thermo-gravimetric analysis (TGA). Pure forsterite was characterized by heating microscopy, Fourier transform infrared spectroscopy, X-ray Diffraction, Brunauer-Emmett-Teller, Scanning Electron Microscopy, and Energy dispersive X-ray spectroscopy. The HAP (hydroxyapatite) deposition ability, degradation and dissolution behaviour of forsterite was examined in simulated body fluid (SBF). The combusted forsterite precursor showed distinct thermal behaviour for each fuel when analyzed by heating microscopy. BET analysis showed that the particle size of forsterite synthesized using glycine was 28nm, specific surface area 65.11m2/g and average pore diameter 16.4nm while using urea 1.951μm, 0.939m2/g, and 30.5nm are the respective parameters. The dissolution of forsterite pointed to the consumption of Ca and P ions from SBF, the negligible release of Si ion into the SBF and these ionic interactions with SBF can be altered as per the material properties. The forsterite showed good antibacterial activity against S. aureus ...Continue Reading

Citations

Mar 15, 2020·Journal of Biomedical Materials Research. Part a·Senthil Kumar Venkatraman, Sasikumar Swamiappan
Dec 2, 2020·Materials Science & Engineering. C, Materials for Biological Applications·Senthil Kumar VenkatramanSasikumar Swamiappan
Dec 2, 2020·Materials Science & Engineering. C, Materials for Biological Applications·Rajan ChoudharySasikumar Swamiappan

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