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什么是氧化锌的材料的团聚

    由于其高表面活化能,纳米材料通常具有团聚的倾向。团聚的程度可以通过表面修饰来降低。氧化锌纳米颗粒的团聚行为对于其毒性有着至关重要的影响,因为团聚决定了氧化锌纳米颗粒的有效浓度和尺寸。迄今为止还没有文献对氧化锌纳米颗粒在生物环境中的团聚行为进行系统的研究。但是在多个研究中,对溶液相中氧化锌纳米颗粒的尺寸有过报道。氧化锌纳米颗粒在溶液中的团聚程度和团聚的动力学都可通过激光动态光散射(DLS)等技术来监测。已经发表的结果一致表明氧化锌纳米颗粒在溶液相中有严重的团聚。

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