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  1. F200 未来材料・システム研究所
  2. F200a 雑誌掲載論文
  3. 学術雑誌

Two-Step Nanoparticle Crystallization via DNA-Guided Self-Assembly and the Nonequilibrium Dehydration Process

http://hdl.handle.net/2237/0002002158
http://hdl.handle.net/2237/0002002158
9a922077-cb61-4f2e-a256-954011ada9d4
名前 / ファイル ライセンス アクション
cg-2021-00398g_R2_Proof_hi.pdf cg-2021-00398g_R2_Proof_hi.pdf (1.2 MB)
SI_Two-step_nanoparticle_crystallization_MTagawa20210702.pdf SI_Two-step_nanoparticle_crystallization_MTagawa20210702.pdf (1.6 MB)
Item type itemtype_ver1(1)
公開日 2022-03-07
タイトル
タイトル Two-Step Nanoparticle Crystallization via DNA-Guided Self-Assembly and the Nonequilibrium Dehydration Process
言語 en
著者 Sumi, Hayato

× Sumi, Hayato

en Sumi, Hayato

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Ohta, Noboru

× Ohta, Noboru

en Ohta, Noboru

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Sekiguchi, Hiroshi

× Sekiguchi, Hiroshi

en Sekiguchi, Hiroshi

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Harada, Shunta

× Harada, Shunta

en Harada, Shunta

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Ujihara, Toru

× Ujihara, Toru

en Ujihara, Toru

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Tsukamoto, Katsuo

× Tsukamoto, Katsuo

en Tsukamoto, Katsuo

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Tagawa, Miho

× Tagawa, Miho

en Tagawa, Miho

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 This document is the Accepted Manuscript version of a Published Work that appeared in final form in [Crystal Growth & Design], copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see [https://pubs.acs.org/articlesonrequest/AOR-ST9G5CFEE3KBRMR6XZRC].”
内容記述
内容記述 DNA strands are powerful tools as ligand molecules that bind nanoparticles to each other via programmable self-assembly for colloidal crystallization. We found that hydrated DNA-functionalized nanoparticle (DNA-NP) superlattices with a properly controlled volume fraction and spatial arrangement of nanoparticles successfully maintained their crystallinity even after dehydration, which involves drastic contraction. A detailed study of the structural changes was performed for the self-assembled DNA-NP sample using small-angle X-ray scattering (SAXS) after dehydration. Then, an optimal volume fraction of nanoparticles in the superlattice, ϕ, which minimized the level of distortion of the dehydrated superlattice, was found for each bcc and fcc structure. By acquiring clear SAXS diffraction patterns showing crystal symmetries for dehydrated DNA-NP superlattices, their lattice distortion was evaluated using our analysis technique, which is based on Hosemann’s paracrystalline theory and involves SAXS and scanning electron microscopy data. Geometrical calculations substantiated the ease of movement of a nanoparticle under the influence of repulsions from adjacent particles that mainly affect the dehydration stability. These results suggest that it is possible to design the crystal structure of solid nanoparticle superlattices via DNA-guided nanoparticle assembly under a near-equilibrium state in solution as the first step, followed by dehydration under nonequilibrium conditions as the second step.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 ACS Publications
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
関連情報
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1021/acs.cgd.1c00398
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 1528-7483
書誌情報 en : Crystal Growth & Design

巻 21, 号 8, p. 4506-4515, 発行日 2021-08-04
ファイル公開日
日付 2022-08-04
日付タイプ Available
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