以γ-氨丙基三乙氧基硅烷和戊二醛作为偶联剂研究了TiO2与SiO2-TiO2生物陶瓷膜表面固定肝素.利用红外光谱(FT-IR)和X光电子能谱(XPS)的测量结果表征薄膜表面肝素化前后的结构和组成;对接触角和体外血液相容性的研究表明,肝素化处理后,薄膜表面的亲水性和抗凝血性显著提高。
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