Electrochemical Analysis of Fast Sulphon Black F Using Poly(L-Tyrosine)-Modified Carbon Paste Electrode

IF 2.5 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Electronic Materials Pub Date : 2024-06-10 DOI:10.1007/s11664-024-11202-w

V. Ranjan, J. G. Manjunatha, D. Sumanth, Samar A. Aldossari, Saikh Mohammad, N. Ataollahi

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Abstract

An electrochemical approach has been employed for the selective and sensitive determination of fast sulphon black F (FSB-F) using an electrochemically polymerized L-tyrosine (L-TN)-modified carbon paste electrode (L-TNMCPE). This modified electrode exhibits an effective irreversible oxidation peak at a potential of 0.6180 V, with a current sensitivity of 17.88 µA in 0.2 M phosphate-buffered saline (PBS) at pH 6.5, indicating its ability to clearly detect the oxidation of FSB-F. The characterization of the L-TNMCPE and the bare carbon paste electrode (BCPE) was observed using scanning electron microscopy (SEM), electrochemical impedance spectroscopy (EIS), differential pulse voltammetry (DPV), and cyclic voltammetry (CV). The developed sensor presents a favorable approach for simultaneously detecting FSB-F and indigo carmine (IC), while also investigating potential interference from various metals and organic compounds. Scan rate results indicate that the reaction is absorption-controlled. Additionally, various experimental aspects are examined, including the pH and concentration variation. The modified electrode exhibits remarkable electrochemical behavior with a limit of detection (LOD) of 0.75 × 10⁻⁶ M and a limit of quantification (LOQ) of 2.5 × 10⁶ M. The L-tyrosine (L-TN)-modified carbon paste electrode shows good reproducibility, repeatability, and stability.

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使用聚（L-酪氨酸）改性碳浆电极对快速砜黑 F 进行电化学分析

采用电化学聚合l -酪氨酸（L-TN）修饰碳糊电极（L-TNMCPE）选择性灵敏地测定快硫黑F （FSB-F）。该电极在电位为0.6180 V时显示出一个有效的不可逆氧化峰，在pH为6.5的0.2 M磷酸盐缓冲盐水（PBS）中，电流灵敏度为17.88µa，表明其能够清晰地检测FSB-F的氧化。采用扫描电镜（SEM）、电化学阻抗谱（EIS）、差分脉冲伏安法（DPV）和循环伏安法（CV）对L-TNMCPE和裸碳膏电极（BCPE）进行了表征。该传感器提供了一种同时检测FSB-F和靛蓝胭脂红（IC）的良好方法，同时还可以研究各种金属和有机化合物的潜在干扰。扫描速率结果表明该反应是受吸收控制的。此外，还考察了各种实验方面，包括pH值和浓度变化。该电极具有良好的电化学性能，检测限为0.75 × 10−6 M，定量限为2.5 × 106 M。l -酪氨酸（L-TN）修饰的碳糊电极具有良好的再现性、重复性和稳定性。图形抽象

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来源期刊

Journal of Electronic Materials 工程技术-材料科学：综合

CiteScore

4.10

自引率

4.80%

发文量

693

审稿时长

3.8 months

期刊介绍： The Journal of Electronic Materials (JEM) reports monthly on the science and technology of electronic materials, while examining new applications for semiconductors, magnetic alloys, dielectrics, nanoscale materials, and photonic materials. The journal welcomes articles on methods for preparing and evaluating the chemical, physical, electronic, and optical properties of these materials. Specific areas of interest are materials for state-of-the-art transistors, nanotechnology, electronic packaging, detectors, emitters, metallization, superconductivity, and energy applications. Review papers on current topics enable individuals in the field of electronics to keep abreast of activities in areas peripheral to their own. JEM also selects papers from conferences such as the Electronic Materials Conference, the U.S. Workshop on the Physics and Chemistry of II-VI Materials, and the International Conference on Thermoelectrics. It benefits both specialists and non-specialists in the electronic materials field. A journal of The Minerals, Metals & Materials Society.