Amperometric dopamine sensor based on carbon nanofiber, Fe3O4 nanoparticles, and silver nanoparticles modified glassy carbon electrode

Monatshefte für Chemie / Chemical Monthly Pub Date : 2024-05-28 DOI:10.1007/s00706-024-03219-y

Huda Abdalkarem M. Sadeq Alı Yashıl, İrem Okman Koçoğlu

{"title":"Amperometric dopamine sensor based on carbon nanofiber, Fe3O4 nanoparticles, and silver nanoparticles modified glassy carbon electrode","authors":"Huda Abdalkarem M. Sadeq Alı Yashıl, İrem Okman Koçoğlu","doi":"10.1007/s00706-024-03219-y","DOIUrl":null,"url":null,"abstract":"In this study, an amperometric dopamine sensor based on carbon nanofibers (CNF), Fe3O4 nanoparticles (Fe3O4NP), and silver nanoparticles (AgNP) modified glassy carbon electrode (GCE) was developed. In order to determine the optimum surface composition, the effects of CNF amount, Fe3O4 amount and the electrodeposition step of AgNP were investigated. Optimum experimental parameters such as working potential and pH of test solution were also explored. The morphological and electrochemical properties of the AgNP/CNF − Fe3O4NP/GCE were studied using scanning electron microscopy, cyclic voltammetry, and chronoamperometry. The AgNP/CNF − Fe3O4NP/GCE showed linear response to dopamine between 2.0 × 10−7 and 5.5 × 10−4 M with a detection limit of 1.8 × 10−7 M and sensitivity of 37.24 μA mM−1. Analytical performance characteristics such as reproducibility, reusability, and selectivity were also investigated for the presented dopamine sensor. The sensor was successfully applied to the detection of dopamine in dopamine hydrochloride injection samples using the standard addition method and good recoveries were obtained.<h3 data-test=\"abstract-sub-heading\">Graphical abstract</h3>\n","PeriodicalId":19011,"journal":{"name":"Monatshefte für Chemie / Chemical Monthly","volume":"62 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Monatshefte für Chemie / Chemical Monthly","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1007/s00706-024-03219-y","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}

引用次数: 0

Abstract

In this study, an amperometric dopamine sensor based on carbon nanofibers (CNF), Fe₃O₄ nanoparticles (Fe₃O₄NP), and silver nanoparticles (AgNP) modified glassy carbon electrode (GCE) was developed. In order to determine the optimum surface composition, the effects of CNF amount, Fe₃O₄ amount and the electrodeposition step of AgNP were investigated. Optimum experimental parameters such as working potential and pH of test solution were also explored. The morphological and electrochemical properties of the AgNP/CNF − Fe₃O₄NP/GCE were studied using scanning electron microscopy, cyclic voltammetry, and chronoamperometry. The AgNP/CNF − Fe₃O₄NP/GCE showed linear response to dopamine between 2.0 × 10⁻⁷ and 5.5 × 10⁻⁴ M with a detection limit of 1.8 × 10⁻⁷ M and sensitivity of 37.24 μA mM⁻¹. Analytical performance characteristics such as reproducibility, reusability, and selectivity were also investigated for the presented dopamine sensor. The sensor was successfully applied to the detection of dopamine in dopamine hydrochloride injection samples using the standard addition method and good recoveries were obtained.

Graphical abstract

Abstract Image

查看原文本刊更多论文

基于碳纳米纤维、Fe3O4 纳米粒子和银纳米粒子修饰的玻璃碳电极的安培多巴胺传感器

本研究开发了一种基于碳纳米纤维（CNF）、Fe3O4 纳米粒子（Fe3O4NP）和银纳米粒子（AgNP）修饰的玻璃碳电极（GCE）的安培法多巴胺传感器。为了确定最佳表面成分，研究了 CNF 量、Fe3O4 量和 AgNP 电沉积步骤的影响。此外，还探讨了最佳实验参数，如工作电位和测试溶液的 pH 值。使用扫描电子显微镜、循环伏安法和时变法研究了 AgNP/CNF - Fe3O4NP/GCE 的形态和电化学特性。AgNP/CNF - Fe3O4NP/GCE 对 2.0 × 10-7 和 5.5 × 10-4 M 的多巴胺呈线性响应，检测限为 1.8 × 10-7 M，灵敏度为 37.24 μA mM-1。此外，还研究了该多巴胺传感器的重现性、可重复使用性和选择性等分析性能特征。该传感器成功地应用于标准添加法检测盐酸多巴胺注射样品中的多巴胺，并获得了良好的回收率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Monatshefte für Chemie / Chemical Monthly

自引率

0.00%

发文量