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Influence of Li2+ Content on Formation of Apatite Layer on Surface of SiO2-CaO-K2O-P2O5 Bioglass System

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Last updated: 01 Jan 2025

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Abstract

  IN PRESENT study, sol-gel derived glasses were prepared based on … the following general formula :SiO2-CaO-P2O5-K2O and different concentrations of -Li2O (0-10 wt.%) were substituted for K2O in the studied system. The influence of these substitutions is investigated for both in vitro apatite formation ability and structure changes of the system. The thermal behavior of biomaterials is characterized by DSC and TGA. The precipitated crystalline phases were identified by X-ray diffraction analysis before immersion in simulated body fluid .Infrared absorption spectroscopy is performed on glass samples before and after SBF .Bioactivity results of this study suggest that formation of apatite layer depends on the concentration of Li2O which represents decrement in vitro bioactivity of glass . Also, it is possible to develop bioactive glass system by percentage of lithium content which controls the dissolution rate of this system to be applied in vivo for dentine and bone replacement.

DOI

10.21608/ejbbe.2012.1192

Keywords

sol-gel, Bioactive glass, in Vitro

Volume

13

Article Issue

1

Related Issue

108

Issue Date

2012-12-01

Receive Date

2014-02-10

Publish Date

2012-12-31

Page Start

37

Page End

52

Print ISSN

1110-8525

Online ISSN

2357-0911

Article File

EJBBE_Volume 13_Issue 1_Pages 37-52.pdf

PDF . 977.6kB

Link

https://ejbbe.journals.ekb.eg/article_1192.html

Detail API

https://ejbbe.journals.ekb.eg/service?article_code=1192

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4

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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

Influence of Li2+ Content on Formation of Apatite Layer on Surface of SiO2-CaO-K2O-P2O5 Bioglass System

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Type

Article

Created At

22 Jan 2023