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Effect of Mg2+ Doping on Formation of Apatite Layer by Bioactive Sol-Gel Glass-Ceramic

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Last updated: 01 Jan 2025

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Abstract

  BIOACTIVE glass–ceramics of mixed alkali and alkali earth were ……prepared by quick alkali mediated sol–gel method. The influence of varying MgO content substituted for SiO2 on the structure and thermal behavior of glass compositions in the SiO2–Na2O–CaO–P2O5–MgO system. This system was investigated by DSC, TGA, XRD and FTIR. In addition, to study in-vitro bioactivity of these glass-ceramics were characterized by analysis of apatite-formation layer in simulated body fluid (SBF). The obtained results revealed that at sintering temperature above 900oC, crystallization occurred and glass-ceramics which contain wollastonite, diopside and Calcium phosphate silicate. An increase in concentration of MgO at the expense of SiO2 led to the formation of diopside in the glass-ceramic. The present results of in vitro tests showed that tendency of apatite layer formation decreased with increasing quantity of diopside phase.

DOI

10.21608/ejbbe.2011.1188

Keywords

sol-gel method, Bioactive glass-ceramic, Diopside, In-vitro test

Volume

12

Article Issue

1

Related Issue

286

Issue Date

2011-12-01

Receive Date

2013-02-19

Publish Date

2011-12-31

Page Start

69

Page End

85

Print ISSN

1110-8525

Online ISSN

2357-0911

Article File

EJBBE_Volume 12_Issue 1_Pages 69-85.pdf

PDF . 813.1kB

Link

https://ejbbe.journals.ekb.eg/article_1188.html

Detail API

https://ejbbe.journals.ekb.eg/service?article_code=1188

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Original Article

Type Code

109

Publication Type

Journal

Publication Title

Egyptian Journal of Biomedical Engineering and Biophysics

Publication Link

https://ejbbe.journals.ekb.eg/

MainTitle

Effect of Mg2+ Doping on Formation of Apatite Layer by Bioactive Sol-Gel Glass-Ceramic

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Article

Created At

22 Jan 2023