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Bioactivity of 1.25CaO · SiO2 glass: an FTIR and X-ray study on powdered samples

Paper ID Volume ID Publish Year Pages File Format Full-Text
13979 991 1996 5 PDF Available
Title
Bioactivity of 1.25CaO · SiO2 glass: an FTIR and X-ray study on powdered samples
Abstract

Powdered samples (170–230 mesh) of a glass of composition 1.25CaO · SiO2 were soaked in a simulated body fluid (SBF). The powders were submitted to Fourier transform infrared transmission spectroscopy as coarse powders (such as drawn out from the SBF) and as fine powders (soaked and subsequently ground). Soaked samples were submitted to differential thermal analysis (DTA) and the crystalline phases formed during heating in the DTA apparatus were identified by means of X-ray diffraction analysis. The method appears to be useful in studying the mechanism of deposition of the hydroxyapatite layer. It is documented, by using the same method, that the mechanism involves the reactions of hydrolysis and successive condensation and repolymerization of the silicate substrate. These reactions are very fast. Extensive Ca2+ cation depletion occurs, but appears to be slower.

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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 17, Issue 23, 1996, Pages 2247-2251
Authors
Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
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Online Support
Any Questions? feel free to contact us