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author:

张玉珏 (张玉珏.) [1] | 陈景帝 (陈景帝.) [2] | 余其凤 (余其凤.) [3] | 张其清 (张其清.) [4]

Abstract:

以多糖(ChS/CSA/HYA)为有机模板,可溶性钙/磷酸盐为nHAP前驱体,采用仿生合成和冷冻干燥技术构建纳米(nHAP)-微米(微米级孔径)-宏观(支架)多级结构的ChS/CSA/HYA/nHAP纳米复合支架,并探究其性能.结果表明:支架具有相互连通的多孔结构,孔径大小为45~156 μm,孔隙率为(93.78±1.56)%;原位形成的弱结晶nHAP赋予支架良好的矿化活性:支架的抗压强度为(0.126±0.073)MPa,弹性模量为(0.682±0.045)MPa,可基本满足非负重部位骨缺损修复要求.MTT检测结果显示支架对细胞增殖基本无抑制作用,相对安全无毒.

Keyword:

仿生构建 冷冻干燥技术 多糖基纳米复合支架 性能表征

Community:

  • [ 1 ] [张其清]福州大学
  • [ 2 ] [张玉珏]福州大学
  • [ 3 ] [陈景帝]福州大学
  • [ 4 ] [余其凤]福州大学

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Year: 2013

Page: 239-242

Language: Chinese

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 1

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