Size-Controlled Oxidation-Resistant Copper Fine Particles Covered by Biopolymer Nanoskin

Masanori Tomonari, Kiyonobu Ida, Hiromi Yamashita, Tetsu Yonezawa

doi:10.1166/jnn.2008.237

Size-Controlled Oxidation-Resistant Copper Fine Particles Covered by Biopolymer Nanoskin

DOI Web Site 被引用文献18件

書誌事項

公開日: 2008-05-01

DOI

10.1166/jnn.2008.237

公開者: American Scientific Publishers

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説明

<jats:p>Size-controlled oxidation-resistant copper fine particles were prepared from insoluble CuO micron-sized particles. The particle sizes were quite uniform and could be varied only by the concentration of the complex reagent from 45 to 175 nm. No template material was needed for size control. Gelatin was selected as the protective polymer. Addition of protease after formation of copper fine particles decomposed preferentially loop and tail parts of gelatin. The remaining nanoskin gelatin layer, covered on the particle surface, prevents oxidation of copper.</jats:p>