Effect of aging temperature on the structure, pore morphology and bioactivity of new sol-gel synthesized bioglass

被引：18
|
作者：
Letaief, N. [1 ,2 ]
Lucas-Girot, A. [1 ]
Oudadesse, H. [1 ]
Meleard, P. [3 ]
Pott, T. [3 ]
Jelassi, J. [2 ]
Dorbez-Sridi, R. [2 ]
机构：
[1] Univ Rennes 1, CNRS, Inst Sci Chim Rennes, UMR 6226, F-35042 Rennes, France
[2] Fac Sci Monastir, Dept Phys, Lab Phys Chim Mat, Monastir 5019, Tunisia
[3] Univ Rennes 1, CNRS, Ecole Natl Super Chim Rennes, Inst Sci Chim Rennes,UMR 6226, F-35042 Rennes, France
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2014年 / 402卷
关键词：
Biomaterials; C(16)TMABr surfactant; Sol-gel; Hydroxyapatite; Aging temperature; Mesoporous glass; IN-VITRO BIOACTIVITY; SILICA-GEL; GLASS; SURFACTANT; APATITE; NANOPARTICLES;
D O I：
10.1016/j.jnoncrysol.2014.06.005
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A 92S6 glass with a composition in the ternary system SiO2-CaO-P2O5 was prepared by sol-gel method. Material was synthesized at temperatures ranging from 20 to 60 degrees C for 24 h using C(16)TMABr (C19H42BrN) as surfactant. Then properties of these synthesized glasses were investigated. The structure, morphology and textural properties were studied by means of X-ray powder diffraction (XRD), analysis of nitrogen adsorption/desorption isotherms (BET and BJH methods), and by scanning electronic microscopy (SEM) and energy dispersive spectroscopy (EDS). In vitro glasses bioactivity was evaluated by soaking them in simulated body fluid. The resulting solutions were analyzed by inductively coupled plasma optical emission spectrometry (ICP-OES). Results indicate that bioactivity increased with synthesis temperature. This result is principally related to differences in textural properties. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：194 / 199
页数：6
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