改性丝网印刷电极对叶酸的电化学检测

IF 2.9 Q2 ELECTROCHEMISTRY Journal of Electrochemical Science and Engineering Pub Date : 2022-07-26 DOI:10.5599/jese.1360

S. Z. Mohammadi, Farideh Mousazadeh, Maryam Mohammadhasani-Pour

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引用次数: 6

摘要

本文建立了一种基于Ni-BTC (BTC =苯-1,3,5-三羧酸)金属有机骨架(MOF)修饰丝网印刷电极(SPE)的叶酸检测电化学传感器。采用循环伏安法(CV)、差分脉冲伏安法(DPV)、线性扫描伏安法(LSV)和同步安培法(CHA)等电化学技术在Ni-BTC MOF修饰的SPE上检测叶酸。结果表明，所制备的传感器对叶酸的检测具有良好的电催化效果。该电化学传感器的动态线性响应范围为0.08 ~ 635.0µM，检出限为0.03±0.001µM。此外，还通过标准加入法评价了Ni-BTC MOF/SPE传感器检测实际样品中叶酸的可行性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Electrochemical detection of folic acid using a modified screen printed electrode

In this work, an electrochemical sensor was established for the detection of folic acid based on Ni-BTC (BTC = benzene-1,3,5-tricarboxylic acid) metal-organic framework (MOF) modified screen-printed electrode (SPE). Electrochemical techniques (cyclic voltammetry (CV), differential pulse voltammetry (DPV), linear sweep voltammetry (LSV) and chronoamperemetry (CHA) were used for the detection of folic acid at Ni-BTC MOF modified SPE. The results indicate that the as-prepared sensor has a good electrocatalytic effect on the detection of folic acid. This electrochemical sensor showed a dynamic linear response range from 0.08 to 635.0 µM and the detection limit was estimated to be 0.03±0.001 µM. Moreover, the feasibility of Ni-BTC MOF/SPE sensor to detect folic acid in real samples was also evaluated by the standard addition method.

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