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Mechanochemical synthesis of fluorescent carbon dots from cellulose powders

机译:纤维素粉末的荧光碳点的机械化学合成

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摘要

A novel mechanochemical method was firstly developed to synthesize carbon nanodots (CNDs) or carbon nano-onions (CNOs) through high-pressure homogenization of cellulose powders as naturally abundant resource depending on the treatment times. While CNDs (less than 5 nm in size) showed spherical and amorphous morphology, CNOs (10-50 nm in size) presented polyhedral shape, and onion-like outer lattice structure, graphene-like interlattice spacing of 0.36 nm. CNOs showed blue emissions, moderate dispersibility in aqueous media, and high cell viability, which enables efficient fluorescence imaging of cellular media.
机译:首先开发了一种新的机械化学方法,通过纤维素粉末的高压均质化合成碳纳米蛋白(CNDS)或碳纳米洋葱(CNO),这取决于治疗时间的天然丰富的资源。 虽然CND(尺寸小于5nm)显示球形和无定形形态,CNO(尺寸为10-50nm),呈现多面体形状,洋葱状外格结构,石墨烯片状间隔为0.36nm。 CNO在水性介质中显示出蓝色排放,适度分散性,以及高细胞活力,其能够有效的细胞介质荧光成像。

著录项

  • 来源
    《Nanotechnology》 |2018年第16期|共8页
  • 作者单位

    Korea Natl Univ Transportat Dept IT Convergence Brain Korea PLUS 21 Chungju 380702 South Korea;

    Ewha Womans Univ Coll Pharm Grad Sch Pharmaceut Sci Seoul 120750 South Korea;

    Korea Natl Univ Transportat Dept IT Convergence Brain Korea PLUS 21 Chungju 380702 South Korea;

    Korea Natl Univ Transportat Dept IT Convergence Brain Korea PLUS 21 Chungju 380702 South Korea;

    Korea Natl Univ Transportat Dept Chem &

    Biol Engn Chungju 380702 South Korea;

    Ewha Womans Univ Coll Pharm Grad Sch Pharmaceut Sci Seoul 120750 South Korea;

    Korea Natl Univ Transportat Dept IT Convergence Brain Korea PLUS 21 Chungju 380702 South Korea;

    Korea Natl Univ Transportat Dept IT Convergence Brain Korea PLUS 21 Chungju 380702 South Korea;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 特种结构材料;
  • 关键词

    cellulose; mechanochemistry; carbon dots; carbon nano-onions;

    机译:纤维素;机械化学;碳点;碳纳米洋葱;

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