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首页> 外文期刊>RSC Advances >Fish-scale-derived carbon dots as efficient fluorescent nanoprobes for detection of ferric ions
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Fish-scale-derived carbon dots as efficient fluorescent nanoprobes for detection of ferric ions

机译：鱼鳞衍生的碳点作为检测铁离子的有效荧光纳米体

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摘要

Herein, highly fluorescent carbon dots (CDs) with the incorporation of N and O functionalities were prepared through a facile and cost-effective hydrothermal reaction using fish scales of the crucian carp as the precursor. The as-prepared CDs exhibit strong fluorescent emissions at 430 nm with a relative quantum yield of 6.9%, low cytotoxicity, and robust fluorescence stability against photobleaching and good ionic strength. More significantly, the fluorescence of these CDs can be effectively and selectively quenched by Fe3+ ions, which enables the application of CDs as fluorescent Fe3+ nanoprobes with a linear range of 1-78 mol L-1 and a detection limit of 0.54 mol L-1. The proposed fluorescent CD nanoprobes can also be used for the assay of spiked Fe3+ in real water samples and human serums with high recoveries and low standard deviations. Hence, CDs can be potentially applied as safe and reliable fluorescent nanoprobes for environmental and clinical Fe3+ analyses.
机译：在此，通过使用Crucian鲤鱼的鱼鳞作为前体，通过容易和经济高效的水热反应制备高度荧光碳点（CDS）。 制备的CD在430nm处表现出强烈的荧光排放，相对量子产率为6.9％，细胞毒性低，耐荧光稳定性，对光漂白和良好的离子强度。 更显着，可以通过Fe3 +离子有效地淬灭这些CD的荧光，其使CDS能够作为荧光Fe3 +纳米体施用，线性范围为1-78mol L-1，检测限为0.54mol L-1的检测限。 。 所提出的荧光Cd纳米体纳压物也可用于实际水样和人血清中的尖刺Fe3 +的测定，具有高回收率和低标准偏差。 因此，CD可以被视为用于环境和临床Fe3 +分析的安全可靠的荧光纳米体。

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  • 来源
    《RSC Advances》 |2019年第2期|共10页
  • 作者

    Zhang Yi; Gao Zhiyong; Yang Xue; Chang Jiuli; Liu Ziyan; Jiang Kai;

  • 作者单位

    Henan Normal Univ Collaborat Innovat Ctr Henan Prov Green Mfg Fine Key Lab Green Chem Media &

    React Sch Chem &

    Chem Engn Minist Educ Xinxiang 453007 Henan Peoples R China;

    Henan Normal Univ Collaborat Innovat Ctr Henan Prov Green Mfg Fine Key Lab Green Chem Media &

    React Sch Chem &

    Chem Engn Minist Educ Xinxiang 453007 Henan Peoples R China;

    Xinxiang Med Univ Sch Lab Med Xinxiang 453003 Henan Peoples R China;

    Henan Normal Univ Collaborat Innovat Ctr Henan Prov Green Mfg Fine Key Lab Green Chem Media &

    React Sch Chem &

    Chem Engn Minist Educ Xinxiang 453007 Henan Peoples R China;

    Maternal &

    Child Care Serv Ctr Xinxiang City Xinxiang 453000 Henan Peoples R China;

    Henan Normal Univ Collaborat Innovat Ctr Henan Prov Green Mfg Fine Key Lab Green Chem Media &

    React Sch Chem &

    Chem Engn Minist Educ Xinxiang 453007 Henan Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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