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材料研究学报  2003, Vol. 17 Issue (3): 268-275    
  论文 本期目录 | 过刊浏览 |
CaO-P2O5-SiO2系统溶胶-凝胶玻璃的生物矿化行为
陈晓峰; 王迎军; 赵娜如; 郑裕东
华南理工大学材料学院生物材料研究中心
引用本文:

陈晓峰; 王迎军; 赵娜如; 郑裕东 . CaO-P2O5-SiO2系统溶胶-凝胶玻璃的生物矿化行为[J]. 材料研究学报, 2003, 17(3): 268-275.

全文: PDF(1444 KB)  
摘要: 利用体外实验方法(in vitro))以及XRD、SEM、FTIR、BET、ICP等手段研究了两种溶胶-凝胶生物活性玻璃的显微结构及其在模拟生理溶液(SBF)中的降解过程、表面反应产物和生物矿化机理. 结果表明,两种生物活性玻璃都具有较高的生物活性,均具有由纳米尺寸颗粒相互连接而成的微孔结构和较大的比表面积,在模拟生理溶液(SBF)中浸泡后可形成表面类似天然骨中无机矿物的碳酸羟基磷灰石层(HCA), 说明两者均具有较高的生物活性和生理环境相应特性.材料表面的硅酸凝胶层及其硅羟基团的形成对碳酸羟基磷灰石(HCA)微晶的成核有重要作用.
关键词 无机非金属材料生物活性材料     
Key words
收稿日期: 1900-01-01     
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