CuFe2O4纳米颗粒/离子液体修饰碳糊电极用于食品中香兰素的电化学传感器

IF 2.9 Q2 ELECTROCHEMISTRY

Journal of Electrochemical Science and Engineering Pub Date : 2022-09-08 DOI:10.5599/jese.1395

Afsaneh Hajializadeh

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引用次数: 2

摘要

采用CuFe2O4纳米颗粒和离子液体修饰了一种高选择性的电化学传感器，用于香兰素的检测。该传感器可以从类似物和可能存在的物质中识别香兰素。响应峰电流与香兰素浓度在0.01 ~ 300.0 μM范围内呈良好的线性关系，灵敏度为0.0923 μA μM-1。检出限为0.008 μM (S/N = 3)，并对其重复性和稳定性进行了评价。应用于实际样品中香兰素的测定，结果令人满意。

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An electrochemical sensor for detection of vanillin in food samples using CuFe2O4 nanoparticles/ionic liquids modified carbon paste electrode

A highly selective electrochemical sensor modified with CuFe2O4 nanoparticles and the ionic liquid was constructed for the detection of vanillin. The sensor could recognize vanillin from its analogs and possible coexistent substances. The response peak current and vanillin concentration showed a good linear relationship in the range of 0.01 - 300.0 μM, with a sensitivity of 0.0923 μA μM-1. The detection limit was 0.008 μM (S/N = 3). Besides, the reproducibility and stability measurements were also evaluated. It was applied to the determination of vanillin in real samples with satisfactory results.

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来源期刊

Journal of Electrochemical Science and Engineering ELECTROCHEMISTRY-

CiteScore

3.60

自引率

27.30%

发文量

审稿时长

6 weeks