| Summary: | In recent years, bioactive glasses (BGs) have attracted enormous attention with their superior bioactivity, non-toxicity and degradability. Owing to their properties, they have been applied in various biological applications. In the present work, we demonstrated that micron-sized BGs can be prepared with a spray drying method. This technique offers the advantages of low contamination and the ability of mass production, in contrast to the two major synthetic methods, conventional glass-melting and sol-gel, previously used for preparation of BGs. Characterizations of phase composition, morphology and specific surface area of spray dried BG powders were carried out and bioactivity was examined in vitro with respect to the ability to form a hydroxyapatite layer on the surface of the particles after they were immersed in simulated body fluid.
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