模拟体液法快速合成羟基磷灰石纳米针及其吸附性能研究

材料导报, 2013, 27(2): 40-43.

模拟体液法快速合成羟基磷灰石纳米针及其吸附性能研究

1.南京师范大学分析测试中心,江苏省生物功能材料重点实验室,南京210046

2.南京师范大学分析测试中心,江苏省生物功能材料重点实验室,南京210046

3.南京师范大学分析测试中心,江苏省生物功能材料重点实验室,南京210046;南京工业大学材料科学与工程学院,南京210009

4.南京工业大学材料科学与工程学院,南京210009

基金项目: 江苏省自然科学基金(2005CCA004,BK2007600) 南京师范大学教育部留学回国人员科研启动基金(2006191XLH0132) 国家重点基础研究发展计划(973计划)资助项目(6134501ZT012004202)

关键词：羟基磷灰石 , 模拟体液 , 纳米针 , 吸附性能

Fast Preparation of Nano-sized Needle-like Hydroxyapatite in Simulated Body Fluid and Study on Its Adsorption Ability

采用模拟体液法快速制备羟基磷灰石(HA)纳米针,并研究了HA对牛血清蛋白质(BSA)的吸附性能.采用XRD、TEM、SEAD和FT-IR等分析方法表征样品.结果表明:1 min即可快速制备宽约5nm,长为50～80 nm且分散良好的HA纳米针,形貌和尺寸与人体中的HA极为相似；反应时间影响合成产物的形貌及物相,短时间内延长反应时间有利于HA纳米针的生长,但反应时间过长会导致HA再次反应生成Ca3(PO4)2；同时,快速制备的HA纳米针具有很强的吸附性能.

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