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非晶碳膜的表面润湿性对生物相容性的影响 被引量:1

Influence on biocompatibility: wettability of the a-C:H film
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摘要 采用等离子体注入沉积方法(PⅢ-D),混合通入C2H2、Ar或N2,制备了具有不同表面润湿性的非晶碳薄膜a-C:H和掺N非晶碳薄膜a-C:N:H.采用Raman及XPS方法对薄膜的结构进行了分析,采用血小板黏附实验评价薄膜的抗凝血性能,采用材料表面的内皮细胞培养,对材料的细胞毒性以及生物相容性进行评价.结果表明非晶碳膜的生物相容性的提高与其表面的润湿性的变化密切相关,可通过掺杂特定的元素,增加a-C:H薄膜表面张力的极性倾向,提高非晶碳膜的亲水性,来进一步改进a-C:H薄膜的生物相容性,特别是血液相容性.
机构地区 西南交通大学
出处 《功能材料》 EI CAS CSCD 北大核心 2004年第z1期2477-2478,共2页 Journal of Functional Materials
基金 国家自然科学基金项目资助(30370407,30270392)
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