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首页> 外文期刊>Electroanalysis >Nonenzymatic Hydrogen Peroxide Electrochemical Sensor Based on Au-HS/SO_3H-PMO (Et) Nanocomposite
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Nonenzymatic Hydrogen Peroxide Electrochemical Sensor Based on Au-HS/SO_3H-PMO (Et) Nanocomposite

机译:基于Au-HS / SO_3H-PMO(Et)纳米复合材料的非酶过氧化氢电化学传感器

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摘要

A newly nonenzymatic sensor for hydrogen peroxide (H2O2) based on the (Au-HS/SO_3H-PMO (Et)) nanocomposite is demonstrated. The electrochemical properties of the as-prepared nanocomposite were studied. It displayed an excellent performance towards H_2O_2 sensing in the linear response range from 0.20 μM to 4.30 mM (R=0.9999) with a sensitivity of 6.35× 10~2 μAμM~(-1)cm~(-2) and a low detection limit of 0.0499 μM. Furthermore, it was not affected by electroactive interference species. These features proved that the modified electrode was suitable for determination of H_2O_2.
机译:展示了一种新的基于(Au-HS / SO_3H-PMO(Et))纳米复合材料的过氧化氢(H2O2)非酶传感器。研究了制备的纳米复合材料的电化学性能。在0.20μM至4.30 mM(R = 0.9999)的线性响应范围内,它对H_2O_2的检测表现出出色的性能,灵敏度为6.35×10〜2μAμM〜(-1)cm〜(-2),检测限低为0.0499μM。此外,它不受电活性干扰物质的影响。这些特征证明该修饰电极适用于H_2O_2的测定。

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