Self-Organization beyond the Molecule: Control of Nanoparticle Assemblies by Their Surface Properties and Their Functional Applications

MITOMO Hideyuki, NIIKURA Kenichi, IJIRO Kuniharu

doi:10.1295/koron.2015-0055

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Other Title

分子を超えた自己組織化：表面修飾を利用したナノ粒子集合体の形成と機能材料への展開
ブンシオコエタジコソシキカ : ヒョウメンシュウショクオリヨウシタナノリュウシシュウゴウタイノケイセイトキノウザイリョウエノテンカイ

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Abstract

In recent years, self-assembly beyond the molecule, which combines biological chemistry, materials science and nano- or micro-meter scale technology, has attracted much attention. Fundamental research on the self-assembly of non-molecular systems such as metal nanoparticles, which are regarded as “artificial molecules”, can enhance our understanding of the concept of self-assembly. Herein, we propose a robust strategy for the dimension-controllable fabrication of nano-assemblies of nanoparticles through tuning inter-particle interactions using suitable surface ligands. The formation of hydrogels consisting of a fibrous assembly of quantum dots (QDs), multi-layered gold nanoparticles (AuNPs), and AuNP vesicles as well as their prospective applications are investigated. The development of AuNP vesicles with hollow structures and special optical properties motivated by biomimetics has been extensively explored in medicinal chemistry for potential application to drug delivery systems (DDSs) and as a platform for surface-enhanced Raman scattering as an analytical tool. Novel self-assembly strategies using Janus-like nanoparticles are also discussed.

Journal

KOBUNSHI RONBUNSHU

KOBUNSHI RONBUNSHU 73 (2), 147-156, 2016

The Society of Polymer Science, Japan

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