Folding of Nanoparticle Chains into 2D Arrays: Structural Change of DNA-Functionalized Gold Nanoparticle Assemblies

Shota Shiraishi, Li Yu, Yoshitsugu Akiyama, Guoqing Wang, Tomoka Kikitsu, Kazuo Miyamura, Tohru Takarada, Mizuo Maeda

研究成果: ジャーナルへの寄稿記事

5 引用 (Scopus)

抄録

Nanoparticle (NP) arrays exhibit collective physical and chemical properties, which are potentially applicable to various nanodevices, such as data storage media and biosensors. In this Communication, a spontaneous method of constructing the 2D NP arrays from precursory 1D chains of DNA-modified NPs is described. The single-stranded (ss) DNA-modified gold NPs are hybridized to a long repetitive ssDNA synthesized with rolling circle amplification to produce the precursory NP chains. Transmission electron microscopy reveals that the chains of fully matched double-stranded (ds) DNA-modified NPs undergo shrinkage and folding during evaporation to afford the 2D NP arrays. In particular, the chains of long dsDNA-modified NPs with short interparticle spacing form the NP arrays with anisotropic interparticle spacing. The present approach could be useful for readily aligning NPs on the substrate surface.

元の言語英語
記事番号1800189
ジャーナルAdvanced Materials Interfaces
5
発行部数13
DOI
出版物ステータス出版済み - 7 9 2018

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DNA
Gold
Nanoparticles
Biosensors
Chemical properties
Amplification
Evaporation
Physical properties
Transmission electron microscopy
Data storage equipment
Communication
Substrates

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering

これを引用

Folding of Nanoparticle Chains into 2D Arrays : Structural Change of DNA-Functionalized Gold Nanoparticle Assemblies. / Shiraishi, Shota; Yu, Li; Akiyama, Yoshitsugu; Wang, Guoqing; Kikitsu, Tomoka; Miyamura, Kazuo; Takarada, Tohru; Maeda, Mizuo.

:: Advanced Materials Interfaces, 巻 5, 番号 13, 1800189, 09.07.2018.

研究成果: ジャーナルへの寄稿記事

Shiraishi, Shota ; Yu, Li ; Akiyama, Yoshitsugu ; Wang, Guoqing ; Kikitsu, Tomoka ; Miyamura, Kazuo ; Takarada, Tohru ; Maeda, Mizuo. / Folding of Nanoparticle Chains into 2D Arrays : Structural Change of DNA-Functionalized Gold Nanoparticle Assemblies. :: Advanced Materials Interfaces. 2018 ; 巻 5, 番号 13.
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