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Multicolor carbon nanodots from food waste and their heavy metal ion detection application

机译：来自食品废物的多色碳纳米蛋白及其重金属离子检测应用

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摘要

Multicolor carbon dots (C-dots) have excellent performance characteristics, high photoluminescence efficiency, ease of fabrication and low toxicity. C-dots have been used in a wide variety of fields including bioimaging, biomedicine, photocatalysis and environmental monitoring. The mass production of multicolor CDs using low-cost, facile methods is an important issue for future industrial applications. In this article, we reported a simple and highly effective way to prepare the multicolor C-dots and use them to detect heavy metal iron ions. Hydrochar acquired from food waste processed with hydrothermal carbonization (HTC) was used as the carbonaceous material for this process. Four colors of C-dots were obtained and included blue, green, yellow and red. These multicolor C-dots could be used as fluorescence probes with unique selectivity to detect the Fe3+ ion. The luminescence response ranged from 1 to 50 M with a correlation coefficient of 0.9968. This discovery not only shows the high value-added products which can be obtained from food waste but can also lead to new developments in carbonaceous materials which can be used as green resources.
机译：多色碳点（C点）具有优异的性能特征，光致发光效率高，易于制造和低毒性。 C-DOTS已用于各种领域，包括生物体，生物医学，光催化和环境监测。使用低成本的多色CD的批量生产是未来工业应用的重要问题。在本文中，我们报告了一种简单且高效的方法来制备多色C点，并用它们检测重金属铁离子。用热水碳化（HTC）加工从食物废物中获得的羟基作为该方法的碳质材料。获得了四种颜色的C点，包括蓝色，绿色，黄色和红色。这些多色C点可以用作荧光探针，具有独特的选择性以检测Fe3 +离子。发光响应范围为1至50μm，相关系数为0.9968。这一发现不仅显示了可以从食物垃圾中获得的高附加值产品，但也可以导致可用作绿色资源的碳质材料的新发展。

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  • 来源
    《RSC Advances》 |2018年第42期|共6页
  • 作者

    Zhou Ying; Liu Yao; Li Yeqing; He Ziying; Xu Quan; Chen Yusheng; Street Jason; Guo Hao; Nelles Michael;

  • 作者单位

    Univ Rostock Dept Waste Management Fac Agr &

    Environm Sci Justus V Liebig Weg 6 D-18059 Rostock Germany;

    Chongqing Univ Arts &

    Sci Res Inst New Mat Technol Chongqing 402160 Peoples R China;

    China Univ Petr Beijing Key Lab Biogas Upgrading Utilizat State Key Lab Heavy Oil Proc Beijing 102249 Peoples R China;

    China Univ Petr Beijing Key Lab Biogas Upgrading Utilizat State Key Lab Heavy Oil Proc Beijing 102249 Peoples R China;

    China Univ Petr Beijing Key Lab Biogas Upgrading Utilizat State Key Lab Heavy Oil Proc Beijing 102249 Peoples R China;

    Univ Akron Dept Chem Akron OH 44325 USA;

    Mississippi State Univ Dept Sustainable Bioprod Mississippi State MS 39762 USA;

    Chongqing Inst Forens Sci Chongqing 400021 Peoples R China;

    Univ Rostock Dept Waste Management Fac Agr &

    Environm Sci Justus V Liebig Weg 6 D-18059 Rostock Germany;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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