Synthesis of Bioactive Glass by Microwave Energy Irradiation and Its In-Vitro Biocompatibility

Abstract

Bioactive glasses were synthesized in an inexpensive hydrothermal chemical route by the use of microwave energy irradiation. Compositional changes were carried out to synthesis bioactive glass with different Si content. Densification behavior was investigated by microwave sintering process from 700°C to 1000°C temperature. The powders were characterized for their physical and morphological characteristics like degree of crystallinity, crystallization temperature etc. Optimization of the heat treatment of the obtained amorphous powder was carried out. Biocompatibility test of the synthesized materials was carried out by in-vitro investigation by apatite formation behavior investigation by inserting the bioactive glass in simulated body fluid. Mechanical properties like density, compressive strength, hardness etc. were investigated for the dense bioactive glasses depending on the Si content. Apatite formation extent was investigated in SBF in 1 to 3 days.