Preparation and Bio-mineralization in vitro of the Sol-Gel Derived

doi:2007 DOI:10.3724/SP.J.1077.2007.00617

Abstract

Abstract: The bioactive glass fibers in the system CaO-P₂O₅-SiO₂were prepared by the sol-gel process. The composition and microstructure of the sol-gel derived bioactive glass fibers before and after immersion in the simulated body fluid (SBF) were investigated by inverted phase microscope, SEM and FTIR techniques. The mechanism of the calcium phosphates micro-crystals growth was discussed from the view of the crystallography. The results show that the bioactive glass fibers are discontinuous short fibers, and the short sol-gel bioactive glass fibers have a satisfactory shape and a high bioactivity owing to the rapid formation of downy A-type hydroxyl-carbonate-apatite (HCA) on the surface of bioactive glass fibers in SBF.

Key words: bioactive glass fibers, sol-gel, bio-mineralization, simulated body fluid(SBF)

CLC Number:

R318
TQ171

LI Yu-Li,CHEN Xiao-Feng,WANG Ying-Jun,ZHAO Na-Ru. Preparation and Bio-mineralization in vitro of the Sol-Gel Derived[J]. Journal of Inorganic Materials, DOI: 2007 DOI:10.3724/SP.J.1077.2007.00617.

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Preparation and Bio-mineralization in vitro of the Sol-Gel Derived

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