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首页> 外文期刊>Journal of Materials Research >Construction of cobalt porphyrin/tantalum molybdate nanocomposite for simultaneous electrochemical detection of ascorbic acid and dopamine
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Construction of cobalt porphyrin/tantalum molybdate nanocomposite for simultaneous electrochemical detection of ascorbic acid and dopamine

机译：钙卟啉/钽钼酸盐纳米复合材料的构建，同时电化学检测抗坏血酸和多巴胺

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摘要

A simple and rapid exfoliation/reassembling method was developed to fabricate the CoTMPyP [5,10, 15,20-tetrakis (N-methylpyridinium-4-yl) porphyrinato cobalt (Ⅲ)]/TaMoO_6 (tantalum molybdate) nanocomposite. X-ray diffraction, scanning electron microscope, transmission electron microscope, energy dispersive spectroscopy, UV-vis absorption, and Fourier transform infrared were performed to characterize the composition and morphology of CoTMPyP/TaMoO_6 nanocomposite.The electrochemical sensor based on CoTMPyP/TaMoO_6 nanocomposite-modified glassy carbon electrode (CoTMPyP/ TaMoO_6/GCE) can be successfully used for simultaneous detection of ascorbic acid (AA) and dopamine (DA). The electrocatalytic activity of CoTMPyP/TaMoO_6/GCE toward AA and DA was evaluated by using cyclic voltammetry and differential pulse voltammetry.The linear calibration plots for AA and DA were obtained over the range of 0.22 to 2.11 mM and 0.11 to 1.16 mM with detection limits (S/N = 3.0) of 28 and 11 μM, respectively. Moreover, the multifunctional electrochemical sensor was advantageous in terms of its good selectivity, sensitivity, stability, reproducibility, and anti-interference capability.
机译：开发了一种简单而快速的剥离/重新组装方法以制造COTMPYP [5,10,15,20-四（N-甲基吡啶-4-基）卟啉钴（Ⅲ）] / Tamoo_6（钽钼酸盐）纳米复合材料。进行X射线衍射，扫描电子显微镜，透射电子显微镜，能量分散光谱，UV - Vis吸收和傅立叶变换红外线，以表征Cotmpyp / Tamoo_6纳米复合材料的组成和形态。基于Cotmpyp / Tamoo_6纳米复合材料的电化学传感器改性玻璃碳电极（COTMPYP / TAMOO_6 / GCE）可以成功地用于同时检测抗坏血酸（AA）和多巴胺（DA）。通过使用循环伏安法和差分脉冲伏安来评估Cotmpyp / Tamoo_6 / gce朝向Aa和Da的电催化活性。通过检测限制，AA和DA的线性校准图在0.22至2.11mm和0.11至1.16mm的范围内获得（S / n = 3.0）分别为28和11μm。此外，在其良好的选择性，灵敏度，稳定性，再现性和抗干扰能力方面，多功能电化学传感器是有利的。

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  • 来源
    《Journal of Materials Research》 |2021年第4期|916-924|共9页
  • 作者

    Zichun Fan; Bo Zhao; Shining Wu; Haoran Wang; Tongtong Cao; Tong Zhu; Xiaobo Zhang; Lin Liu; Zhiwei Tong;

  • 作者单位

    Jiangsu Key Laboratory of Function Control Technology for Advanced Materials School of Chemical Engineering Jiangsu Ocean University Lianyungang 222005 China;

    Jiangsu Key Laboratory of Function Control Technology for Advanced Materials School of Chemical Engineering Jiangsu Ocean University Lianyungang 222005 China;

    Jiangsu Key Laboratory of Function Control Technology for Advanced Materials School of Chemical Engineering Jiangsu Ocean University Lianyungang 222005 China;

    Jiangsu Key Laboratory of Function Control Technology for Advanced Materials School of Chemical Engineering Jiangsu Ocean University Lianyungang 222005 China;

    Jiangsu Key Laboratory of Function Control Technology for Advanced Materials School of Chemical Engineering Jiangsu Ocean University Lianyungang 222005 China;

    Jiangsu Key Laboratory of Function Control Technology for Advanced Materials School of Chemical Engineering Jiangsu Ocean University Lianyungang 222005 China;

    Jiangsu Key Laboratory of Function Control Technology for Advanced Materials School of Chemical Engineering Jiangsu Ocean University Lianyungang 222005 China Jiangsu Marine Resources Development and Research Institute Lianyungang 222005 China;

    Jiangsu Key Laboratory of Function Control Technology for Advanced Materials School of Chemical Engineering Jiangsu Ocean University Lianyungang 222005 China;

    Jiangsu Key Laboratory of Function Control Technology for Advanced Materials School of Chemical Engineering Jiangsu Ocean University Lianyungang 222005 China SORST Japan Science and Technology Agency (JST) Kawaguchi Center Building 4-1-8 Kawaguchi-shi Saitama 332-0012 Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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