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Possibilities of Surface-Sensitive X-ray Methods for Studying the Molecular Mechanisms of Interaction of Nanoparticles with Model Membranes

机译:表面敏感的X射线方法用于研究纳米粒子与模型膜相互作用的分子机理的可能性

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摘要

The processes of structural rearrangement in a model membrane, i.e., an arachic acid monolayer formed on a colloidal solution of cerium dioxide or magnetite, are studied in situ in real time by the methods of X-ray standing waves and 2D diffraction. It is shown that the character of the interaction of nanoparticles with the monolayer is determined by their nature and sizes and depends on the conditions of nanoparticle synthesis. In particular, the structure formation in the monolayer-particle system is greatly affected by the stabilizer (citric acid), which is introduced into the colloidal solution during synthesis.
机译:利用X射线驻波和2D衍射法实时地研究了模型膜中结构的重排过程,即在二氧化铈或磁铁矿的胶体溶液上形成的花生酸单层。结果表明,纳米粒子与单分子层相互作用的特性取决于其性质和大小,并取决于纳米粒子合成的条件。特别地,单层颗粒体系中结构的形成受到稳定剂(柠檬酸)的极大影响,该稳定剂在合成过程中被引入到胶体溶液中。

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