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首页> 外文期刊>International Journal of Electrochemical Science >MWCNTs/MoS2 Decorated Cobalt Oxide Polyhedrons Composite Film Modified Electrode for Electrochemical Determination of Dopamine in Rat Brain and Human Blood Serum Samples
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MWCNTs/MoS2 Decorated Cobalt Oxide Polyhedrons Composite Film Modified Electrode for Electrochemical Determination of Dopamine in Rat Brain and Human Blood Serum Samples

机译：MWCNTs / MoS 2 装饰的氧化钴多面体复合膜修饰电极电化学测定大鼠脑和人血清样品中的多巴胺

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摘要

MWCNTs/MoS2 decorated Cobalt oxide polyhedrons (MWCNTs/MoS2/Co3O4 PHs) were synthesized via facile hydrothermal route. The morphological study clearly revealed the MWCNTs/MoS2 decorated on Co3O4 PHs and additionally elemental, and electrochemical studies were performed to verify the structure and shape. Owing to excellent synergy between MWCNTs/MoS2 and Co3O4 PHs, the composite possesses good porosity, large electrochemical area, roughened surface, and excellent electrocatalytic ability. The development of highly sensitive sensor is essential for dopamine (DA) due to its great significance in physiological, biochemical, pharmaceutical and medicinal applications. A rapid, sensitive, selective, reproducible, and durable electrochemical non–enzymatic DA assay, by employing MWCNTs/MoS2/Co3O4 PHs modified screen print carbon electrode (SPCE) was described. The sensor displayed outstanding sensitivity with nanomolar limit of detection of 13 nM, which is superior to those of previously reported Co3O4 based electrodes. A rapid, sensitive real–time analysis was demonstrated in rat brain and human blood serum samples.
机译：MWCNTs / MoS2装饰的氧化钴多面体（MWCNTs / MoS2 / Co3O4 PHs）通过简便的水热途径合成。形态学研究清楚地揭示了装饰在Co3O4 PH上的MWCNTs / MoS2以及其他元素，并且进行了电化学研究以验证结构和形状。由于MWCNTs / MoS2和Co3O4 PH之间具有出色的协同作用，该复合材料具有良好的孔隙率，较大的电化学面积，粗糙的表面以及出色的电催化能力。高灵敏度传感器的开发对于多巴胺（DA）至关重要，因为它在生理，生化，制药和医学应用中具有重要意义。通过使用MWCNTs / MoS2 / Co3O4 PHs修饰的丝网印刷碳电极（SPCE），描述了一种快速，灵敏，选择性，可重现和持久的电化学非酶DA分析方法。该传感器显示出出色的灵敏度，纳摩尔检测极限为13 nM，优于先前报道的基于Co3O4的电极。对大鼠脑和人血清样品进行了快速，灵敏的实时分析。

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