评价了经化学和仿生改性后的4种钛试样的矿化性能.4种表面改性层分别为:锐钛矿纳米管(N),微/纳米结构(MN),纳米管表面接枝精氨酸-甘氨酸-天冬氨酸-半胱氨酸(NR),微/纳米结构表面接枝精氨酸-甘氨酸-天冬氨酸-半胱氨酸(MNR).结果显示,表面矿化沉积物是羟基磷灰石,同样条件下,试样的诱导矿化能力依次是MNR﹥MN﹥NR﹥N.在生物材料表面构建微/纳米结构并接枝多肽是一种有效的表面改性方法.
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