Size-controlled oxidation-resistant copper fine particles covered by biopolymer nanoskin.
Size-controlled oxidation-resistant copper fine particles covered by biopolymer nanoskin.
复制标题
尺寸受控的抗氧化铜细颗粒，覆盖有生物聚合物纳米皮。
DOI：
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发表时间：
2008
影响因子：
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通讯作者：
T. Yonezawa
中科院分区：
文献类型：
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作者：
M. Tomonari;K. Ida;H. Yamashita;T. Yonezawa
以微米级不溶性CuO为原料制备了尺寸可控的抗氧化铜微粒。颗粒大小均匀，仅随配合物浓度在45 ~ 175 nm之间的变化而变化。不需要模板材料来控制尺寸。选择明胶作为保护聚合物。加入蛋白酶后形成的铜细颗粒优先分解环和尾部部分的明胶。剩余的纳米皮肤明胶层覆盖在颗粒表面，防止铜氧化。
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.