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首页> 外文期刊>RSC Advances >Novel porous iron phthalocyanine based metal-organic framework electrochemical sensor for sensitive vanillin detection
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Novel porous iron phthalocyanine based metal-organic framework electrochemical sensor for sensitive vanillin detection

机译：基于新型多孔铁酞菁的金属 - 有机框架电化学传感器，用于敏感香草素检测

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摘要

Vanillin is widely used as a flavor enhancer and is known to have numerous other interesting properties, including antidepressant, anticancer, anti-inflammatory, and antioxidant effects. However, as excess vanillin consumption can affect liver and kidney function, simple and rapid detection methods for vanillin are required. Herein, a novel electrochemical sensor for the sensitive determination of vanillin was fabricated using an iron phthalocyanine (FePc)-based metal-organic framework (MOF). Scanning electron microscopy and transmission electron microscopy showed that the FePc MOF has a hollow porous structure and a large surface area, which impart this material with high adsorption performance. A glassy carbon electrode modified with the FePc MOF exhibited good electrocatalytic performance for the detection of vanillin. In particular, this vanillin sensor had a wide linear range of 0.22-29.14 mu M with a low detection limit of 0.05 mu M (S/N = 3). Moreover, the proposed sensor was successfully applied to the determination of vanillin in real samples such as vanillin tablets and human serum.
机译：香草蛋白广泛用作风味增强剂，已知具有许多其他有趣的性质，包括抗抑郁药，抗癌，抗炎和抗氧化作用。然而，由于过多的香草蛋白消耗可以影响肝肾功能，因此需要对香草蛋白的简单和快速的检测方法。这里，使用铁酞菁（FEPC）的金属 - 有机框架（MOF）制造用于敏感试草蛋白的敏感测定的新型电化学传感器。扫描电子显微镜和透射电子显微镜显示FEPC MOF具有中空多孔结构和大表面积，其赋予该材料具有高吸附性能。用FEPC MOF改性的玻碳电极表现出良好的电催化性能，用于检测香草蛋白。特别地，这种香草素传感器的宽线性范围为0.22-29.14μm，检测限为0.05μm（s / n = 3）。此外，所提出的传感器成功地应用于Vanillin片剂和人血清的真实样品中的香草蛋白的测定。

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  • 来源
    《RSC Advances》 |2020年第60期|共8页
  • 作者

    Peng Jinyun; Wei Liying; Liu Yuxia; Zhuge Wenfeng; Huang Qing; Huang Wei; Xiang Gang; Zhang Cuizhong;

  • 作者单位

    Guangxi Normal Univ Nationalities Coll Chem &

    Chem Engn Chongzuo 532200 Peoples R China;

    Guangxi Normal Univ Nationalities Coll Chem &

    Chem Engn Chongzuo 532200 Peoples R China;

    Guangxi Normal Univ Nationalities Coll Phys &

    Elect Engn Chongzuo 532200 Peoples R China;

    Guangxi Normal Univ Nationalities Coll Chem &

    Chem Engn Chongzuo 532200 Peoples R China;

    Guangxi Normal Univ Nationalities Coll Chem &

    Chem Engn Chongzuo 532200 Peoples R China;

    Guangxi Normal Univ Nationalities Coll Chem &

    Chem Engn Chongzuo 532200 Peoples R China;

    Guangxi Normal Univ Nationalities Coll Chem &

    Chem Engn Chongzuo 532200 Peoples R China;

    Guangxi Normal Univ Nationalities Coll Chem &

    Chem Engn Chongzuo 532200 Peoples R China;

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