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Enzyme-less amperometric sensor manufactured using a Nafion–LaNiO3 nanocomposite for hydrogen peroxide

机译:使用Nafion-LaniO3纳米复合物用于过氧化氢制造的酶更低的传感器

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In the present study, an enzyme-less amperometric sensor based on Nafion (NF) and a LaNiO _(3) (LNO) nanocomposite was constructed for H _(2) O _(2) detection. LNO from the perovskite group was mixed with NF as an effective solubilizing and stabilizing agent that was used as a novel modifier for modification of the glassy carbon electrode (GCE). The designed sensor showed a desirable electrocatalytic response toward H _(2) O _(2) reduction. The calibration curve revealed two linear portions in the concentration ranges of 0.2–50 μM and 50–3240 μM, and the detection limit was 0.035 μM. The accuracy of the interference-free sensor was checked by recovery analysis in serum samples.
机译:在本研究中,构建基于Nafion(NF)和LaniO _(3)(3)纳米复合材料的酶的酶的酶测量传感器,用于H _(2)O _(2)检测。从钙钛矿组中的LNO与NF混合,作为一种有效的溶解和稳定剂,其用作用于改性玻璃碳电极(GCE)的新型改性剂。设计的传感器显示出对H _(2)O _(2)的较低的理想电催化反应。校准曲线显示浓度范围为0.2-50μm和50-3240μm的两个线性部分,检测限为0.035μm。通过血清样品中的恢复分析检查无干扰传感器的准确性。

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