A Comparative Investigation on a Novel Bioactive Glass Synthesized via Sol-Gel Processing

Abstract:

Various kinds of bioactive materials are developed as bone substitutes. Bioactive materials may affect attachment, proliferation and differentiation of cells and the subsequent integration in a host tissue. In this research 21%CaO–5%P₂O₅–64%SiO₂–5%ZnO-5%B₂O₃ and 16%CaO–5%P₂O₅–64%SiO₂–5%ZnO-10%B₂O₃ bioactive glasses were successfully synthesized by the sol–gel technique. Then the prepared bioactive glasses were soaked into simulated body fluid. Then the prepared samples were characterized using X-ray diffraction (XRD) and Scanning electron microscopy (SEM). It was seen that addition of boron to the structure remarkably enhances the formation of hydroxyapatite on the surface of the bioactive glass and subsequently improves the bioactivity. The obtained results from SEM and XRD were in good agreement with each other. Besides, effect of boron on atomic arrangement of the prepared bioactive glass was studies and compared with previous researches. It was shown that by increasing the boron content, more crystalline domains would be observed.

• Periodical: Key Engineering Materials (Volume 631)
• Pages: 25-29
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.631.25
• Online since: November 2014
• Authors: S.S. Seyedmomeni, M. Naeimi, Majid Raz*, J. Aghazadeh Mohandesi, F. Moztarzadeh
• Keywords: Bioactive Glass, Boron, Hydroxyapatite (HA), Sol-Gel

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