研究了利用二氯磷酰胆碱(PC-2Cl)以及十八烷基二甲基氯硅烷(C18)和1,6-己二异氰酸酯(HDI),将仿细胞膜磷酰胆碱(PC)基团化学接枝到盖玻片表面的三条新途径,(Ⅰ) PC-2Cl直接与玻璃表面硅羟基反应,(Ⅱ) HDI先与玻璃表面硅羟基反应、水解产生的端氨基再与PC-2Cl反应进行PC接枝,(Ⅲ) C18与玻璃表面硅羟基反应后再进行Ⅱ的处理步骤.通过测定改性表面的动态接触角(DCA)和X射线光电子能谱(XPS)对改性效果进行评价.结果表明,三条途径均成功地实现了PC基团在盖玻片表面接枝改性,其中接枝HDI后再与二氯磷酰胆碱反应的途径PC接枝率较高.
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