研究了纳米羟基磷灰石/聚碳酸酯(n-HA/PC)生物复合材料在模拟体液(SBF)中的表面变化,并用傅里叶红外光谱(FTIR)、X射线衍射仪(XRD)和扫描电子显微镜(SEM)对材料的表面变化进行了分析.结果表明,n-HA/PC生物复合材料在模拟体液(SBF)中浸泡后,表面会沉积碳酸化羟基磷灰石(CHA),随着浸泡时间的延长,沉积层变厚,CHA晶体形貌变得规整.对n-HA/PC复合材料进行了细胞实验,通过四唑盐(MTT)检测和扫描电镜观察,表明n-HA/PC复合材料无细胞毒性,细胞形态正常,是一种有应用前景的可承力骨修复替代材料.
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