Role of SrO on the bioactivity behavior of some ternary borate glasses and their glass ceramic derivatives

被引：65

作者：

Abdelghany, A. M. ^{[1
]}

Ouis, M. A. ^{[2
]}

Azooz, M. A. ^{[2
,3
]}

ElBatal, H. A. ^{[2
]}

El-Bassyouni, G. T. ^{[4
,5
]}

机构：

[1] Natl Res Ctr, Div Phys, Dept Spect, Cairo 12311, Egypt

[2] Natl Res Ctr, Glass Res Dept, Cairo 12311, Egypt

[3] Shaqra Univ, Fac Sci, ElQuaieia Branch, Dept Chem, Shaqra, Saudi Arabia

[4] Natl Res Ctr, Biomat Dept, Cairo 12311, Egypt

[5] Taif Univ, Coll Med, At Taif, Saudi Arabia

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2016年 / 152卷

关键词：

Borate glasses; SrO; Glass ceramics; Bioactivity; IR; X-ray; SEM; CORROSION; HYDROXYAPATITE; BIOGLASSES;

D O I：

10.1016/j.saa.2015.07.072

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Borate glasses containing SrO substituting both CaO and NaO were prepared and characterized for their bioactivity or bone bonding ability. Glass ceramic derivatives were prepared by thermal heat treatment process. FTIR, XRD and SEM measurements for the prepared glass and glass-ceramics before and after immersion in sodium phosphate solution for one and two weeks were carried out. The appearance of two IR peaks within the range 550-680 cm(-1) after immersion in phosphate solution indicates the formation of hydroxyapatite or equivalent Sr phosphate layer. X-ray diffraction data agree with the FTIR spectral analysis. The solubility test was carried out for both glasses and glass ceramics derivatives in the same phosphate solution. The introduction of SrO increases the solubility for both glasses and glass ceramics and this is assumed to be due to the formation of Sr phosphate which is more soluble than calcium phosphate (hydroxyapatite). SEM images reveal varying changes in the surfaces of glass ceramics after immersion according to the SrO content. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：126 / 133

页数：8

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