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原子力显微镜研究聚四氟乙烯纳米粒子对瑞氏木霉疏水蛋白HFBII的吸附

, PP. 220-225

Keywords: 疏水蛋白,Teflon纳米粒子,吸附,成核生长,原子力显微镜

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Abstract:

利用离子束溅射镀膜技术将聚四氟乙烯(Teflon)纳米粒子沉积到石英基板,将基板置于50μg/mL的瑞氏木霉疏水蛋白HFBII溶液中浸泡,通过原子力显微镜直接观察和水接触角测试仪测试基板表面水接触角的变化,研究了HFBII在Teflon纳米粒子表面的吸附行为.结果表明Teflon纳米粒子能够对HFBII产生吸附且对其生长有很强的异相成核作用,同时用超声波方法对Teflon纳米粒子上的HFBII进行脱附,并通过原子力显微镜图像进行了分析.

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