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  1. 原著論文

A simple and soft chemical deaggregation method producing single-digit detonation nanodiamonds

https://repo.qst.go.jp/records/85067
https://repo.qst.go.jp/records/85067
f31c8de7-d1b9-43f3-b813-0eae0c1af3c7
Item type 学術雑誌論文 / Journal Article(1)
公開日 2022-03-01
タイトル
タイトル A simple and soft chemical deaggregation method producing single-digit detonation nanodiamonds
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 Daiki, Terada

× Daiki, Terada

WEKO 1046866

Daiki, Terada

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So, Frederick

× So, Frederick

WEKO 1046867

So, Frederick

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Hattendorf, Bodo

× Hattendorf, Bodo

WEKO 1046868

Hattendorf, Bodo

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Tamami, Yanagi

× Tamami, Yanagi

WEKO 1046869

Tamami, Yanagi

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Eiji, Ōsawa

× Eiji, Ōsawa

WEKO 1046870

Eiji, Ōsawa

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Mizuochi, Norikazu

× Mizuochi, Norikazu

WEKO 1046871

Mizuochi, Norikazu

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Masahiro, Shirakawa

× Masahiro, Shirakawa

WEKO 1046872

Masahiro, Shirakawa

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Ryuji, Igarashi

× Ryuji, Igarashi

WEKO 1046873

Ryuji, Igarashi

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Fabian Segawa, Takuya

× Fabian Segawa, Takuya

WEKO 1046874

Fabian Segawa, Takuya

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Daiki, Terada

× Daiki, Terada

WEKO 1046875

en Daiki, Terada

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So, Frederick

× So, Frederick

WEKO 1046876

en So, Frederick

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Tamami, Yanagi

× Tamami, Yanagi

WEKO 1046877

en Tamami, Yanagi

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Masahiro, Shirakawa

× Masahiro, Shirakawa

WEKO 1046878

en Masahiro, Shirakawa

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Ryuji, Igarashi

× Ryuji, Igarashi

WEKO 1046879

en Ryuji, Igarashi

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抄録
内容記述タイプ Abstract
内容記述 Detonation nanodiamonds (DNDs) are a class of very small and spherical diamond nanocrystals. They are used in polymer reinforcement materials or as drug delivery systems in the field of nanomedicine. Synthesized by detonation, only the final deaggregation step down to the single-digit nanometer size (< 10 nm) unfolds their full potential. Existing deaggregation methods mainly rely on mechanical forces, such as high-power sonication or beads milling. These techniques entail drawbacks such as contamination of the sample and the need for a specialized apparatus. In this paper, we report a purely chemical deaggregation method by simply combining oxidation in air followed by a boiling acid treatment, to produce highly stable single-digit DNDs in a suspension. The resulting DNDs are surface functionalized with carboxyl groups, the final boiling acid treatment removes primary metal contaminants such as magnesium, iron or copper and the nanoparticles remain dispersed over a wide pH range. Our method can be easily carried out in a standard chemistry laboratory with commonly available laboratory apparatus. This is a key step for many DND-based applications, ranging from material science to biological or medical applications.
書誌情報 Nanoscale Advances

巻 4, p. 2268-2277, 発行日 2022-03
出版者
出版者 The Royal Society of Chemistry
ISSN
収録物識別子タイプ ISSN
収録物識別子 2516-0230
DOI
識別子タイプ DOI
関連識別子 10.1039/D1NA00556A
関連サイト
識別子タイプ DOI
関連識別子 DOI https://doi.org/10.1039/D1NA00556A
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