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由接枝二嵌段共聚物配体的金纳米颗粒构成的多隔室胶束结构

Multicompartmentalized Micellar Structures by Gold Nanoparticles Grafted with Diblock-Copolymer Ligands.

作者信息

Sebastian Marina, Fery Andreas, Nikoubashman Arash, Rossner Christian

机构信息

Institut für Physikalische Chemie und Physik der Polymere, Leibniz-Institut für Polymerforschung Dresden e. V., Hohe Straße 6, D-01069, Dresden, Germany.

Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Bergstraße 66, D-01062, Dresden, Germany.

出版信息

Chemphyschem. 2024 Dec 16;25(24):e202400747. doi: 10.1002/cphc.202400747. Epub 2024 Oct 28.

DOI:10.1002/cphc.202400747
PMID:39467074
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11648832/
Abstract

We study the formation of hybrid polymer/inorganic colloidal particles with multicompartmentalized structure, comprising gold nanoparticles grafted with polystyrene-block-poly(methacrylic acid) (PSt-block-PMAA) diblock copolymer ligands, through experiments and molecular dynamics simulations. The PMAA blocks segregate into small satellite-like domains that are separated by the polystyrene spacer from the gold nanoparticle core. Dialysis against water leads to the re-configuration of the formed structures into unique, kinetically trapped pinned-micelle-decorated nanoparticles with internal structure.

摘要

我们通过实验和分子动力学模拟研究了具有多隔室结构的杂化聚合物/无机胶体颗粒的形成，该颗粒由接枝有聚苯乙烯-嵌段-聚（甲基丙烯酸）（PSt-嵌段-PMAA）二嵌段共聚物配体的金纳米颗粒组成。PMAA嵌段分离成小的卫星状区域，这些区域通过聚苯乙烯间隔物与金纳米颗粒核心隔开。对水进行透析会导致形成的结构重新配置成具有内部结构的独特的、动力学捕获的钉扎胶束修饰的纳米颗粒。

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