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首页> 外文期刊>Electroanalysis >Preparation of MoS2-graphene Hybrid Nanosheets and Simultaneously Electrochemical Determination of Levodopa and Uric Acid
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Preparation of MoS2-graphene Hybrid Nanosheets and Simultaneously Electrochemical Determination of Levodopa and Uric Acid

机译：制备MOS2-石墨烯杂交纳米片及同时电化学测定左旋多巴和尿酸

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摘要

MoS2 nanoflakes were prepared by exfoliating commercial MoS2 powders with the assistance of ultrasound and graphene foam was synthesized by chemical vapor deposition using nickel foam as the template. MoS2-graphene hybrid nanosheets were developed through the combination of MoS2 nanoflakes and graphene nanosheets by ultrasonic dispersion. The hybrid nanosheets were sprayed onto the ITO coated glass, which acts as an electrode for the simultaneously electrochemical determination of levodopa and uric acid. The MoS2-graphene hybrid nanosheets were characterized by scanning electron microscopy, X-ray diffraction and Raman spectroscopy. The results show that the hybrid nanosheets are composed of MoS2 and graphene with a sheet-like morphology. The sensitivity of the electrode for levodopa and uric acid is 0.36 mu A M-1 and 0.39 mu A M-1, respectively. The electrode also shows low limit of detection, good selectivity, reproducibility and stability. And it is potential for use in clinical research.
机译：通过使用镍泡沫作为模板，通过将超声波和石墨烯泡沫剥离来制备MOS2纳米薄片来制备商业MOS2粉末。通过超声波分散通过MOS2纳米薄片和石墨烯纳米片的组合开发MOS2-石墨烯杂交纳米型。将杂交纳米片喷涂到ITO涂覆的玻璃上，用作同时电化学测定左旋多巴和尿酸的电极。通过扫描电子显微镜，X射线衍射和拉曼光谱来表征MOS2-石墨烯杂交纳米片。结果表明，杂交纳米片由MOS2和石墨烯组成，具有片状形态。 Levodopa和尿酸的电极的敏感性分别为0.36μm-1和0.39μm-1。电极还显示出低的检测限，选择性良好，再现性和稳定性。它是临床研究中使用的潜力。

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  • 来源
    《Electroanalysis》 |2017年第11期|共7页
  • 作者

    Yue Hong Yan; Song Shan Shan; Huang Shuo; Zhang Hong; Gao Xuan P. A.; Gao Xin; Lin Xuan Yu; Yao Long Hui; Guan En Hao; Zhang Hong Jie;

  • 作者单位

    Harbin Univ Sci &

    Technol Sch Mat Sci &

    Engn Harbin 150040 Heilongjiang Peoples R China;

    Harbin Univ Sci &

    Technol Sch Mat Sci &

    Engn Harbin 150040 Heilongjiang Peoples R China;

    Harbin Univ Sci &

    Technol Sch Mat Sci &

    Engn Harbin 150040 Heilongjiang Peoples R China;

    Harbin Univ Sci &

    Technol Sch Mat Sci &

    Engn Harbin 150040 Heilongjiang Peoples R China;

    Case Western Reserve Univ Dept Phys Cleveland OH 44106 USA;

    Harbin Univ Sci &

    Technol Sch Mat Sci &

    Engn Harbin 150040 Heilongjiang Peoples R China;

    Harbin Univ Sci &

    Technol Sch Mat Sci &

    Engn Harbin 150040 Heilongjiang Peoples R China;

    Harbin Univ Sci &

    Technol Sch Mat Sci &

    Engn Harbin 150040 Heilongjiang Peoples R China;

    Harbin Univ Sci &

    Technol Sch Mat Sci &

    Engn Harbin 150040 Heilongjiang Peoples R China;

    Harbin Univ Sci &

    Technol Sch Mat Sci &

    Engn Harbin 150040 Heilongjiang Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 电化学、电解、磁化学;
  • 关键词

    Levodopa; MoS2 nanoflakes; Graphene foam; Graphene nanosheets; Biosensors;

    机译：Levodopa;MOS2纳米薄片;石墨烯泡沫;石墨烯纳米蛋白酶;生物传感器;

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