使用改性玻璃碳电极进行亚硝酸盐的伏安测定

IF 0.9 Q3 Engineering Surface Engineering and Applied Electrochemistry Pub Date : 2024-02-01 DOI:10.3103/s1068375524010034

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引用次数: 0

摘要

摘要本研究采用掺杂了 MXene/La3+ 的 ZnO/血红蛋白（Hb）纳米复合材料修饰的玻璃碳电极作为新型伏安传感器，测量亚硝酸盐的浓度。研究人员采用了时标法、差分脉冲伏安法和循环伏安法来表征电极表面的改性。分析结果表明，加入了 MXene/La3+ 掺杂 ZnO/Hb 纳米复合材料的玻璃碳电极能够检测不同浓度（0.1-700.0 μM）的亚硝酸盐，检测限为 4.0 × 10-8 M。

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Voltammetric Determination of Nitrite Using Modified Glassy Carbon Electrode

Abstract

The current study was conducted to measure the concentrations of nitrite by a glassy carbon electrode modified with MXene/La³⁺ doped ZnO/hemoglobin (Hb) nanocomposite as a new voltammetric sensor. Chronoamperometry, differential pulse voltammetry, and cyclic voltammetry were employed to characterize the modification of the electrode surface. According to the analytical results, the glassy carbon electrode incorporated with MXene/La³⁺ doped ZnO/Hb nanocomposite was able to detect the presence of different concentrations of nitrite (0.1–700.0 μM), with the detection limit of 4.0 × 10^–8 M. The proposed sensor can be proposed as acceptable electrochemical detector of nitrite in real samples.

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来源期刊

Surface Engineering and Applied Electrochemistry Engineering-Industrial and Manufacturing Engineering

CiteScore

1.60

自引率

22.20%

发文量

期刊介绍： Surface Engineering and Applied Electrochemistry is a journal that publishes original and review articles on theory and applications of electroerosion and electrochemical methods for the treatment of materials; physical and chemical methods for the preparation of macro-, micro-, and nanomaterials and their properties; electrical processes in engineering, chemistry, and methods for the processing of biological products and food; and application electromagnetic fields in biological systems.