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PEG修饰纳米颗粒穿过肺表面活性剂的分子动力学模拟
Authors
李木均
白轩
胡国庆
Publication date
6 January 2019
Publisher
Abstract
金纳米颗粒(AuNP)用作纳米药物载体一直广受关注。而如何设计Au NP使其更容易穿过肺表面活性剂(PS)的磷脂单层膜、同时又最大程度地减少甚至杜绝对磷脂膜的破坏成为一个亟待解决的问题。有实验发现,聚乙二醇(PEG)修饰纳米颗粒穿越磷脂双层膜取得了很好的效果[1]。但关于PEG为什么有助于纳米颗粒穿膜的相关机理性研究相对缺乏。因此,本文采用Martini粗粒化模型、全面模拟了PEG修饰的Au NP穿过PS的过程。我们的结果为PEG修饰Au NP提供了指导、同时也一定程度上揭示了其穿过PS的机理
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 18/12/2019