用纳米钽和石墨烯纳米片构建的电化学平台用于利托君的伏安传感

IF 2.7 3区 化学 Q2 CHEMISTRY, ANALYTICAL
Electroanalysis Pub Date : 2025-02-15 DOI:10.1002/elan.12029
Ebru Beyyavaş, Mehmet Aslanoglu
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引用次数: 0

摘要

采用超声波法将锂与吡啶溶液TaCl5反应合成钽纳米颗粒。然后,利用Ta纳米粒子和石墨烯纳米片(GNP)构建了利托君伏安检测的新型传感平台。该电化学平台(GCE/GNP@Ta)的电化学活性表面积和电荷转移电阻(Rct)分别为0.336 cm2和86 Ω。这表明该材料可以被认为是一种有前途的传感材料。考察了GCE/GNP@Ta电极在利托碱氧化过程中的性能,并与其他电极进行了比较。GCE/GNP@Ta改善了利托碱的伏安行为,其氧化峰电位(Ep)为0.71 V,低于其他电极。利托卡因的电位移位和峰的提高表明,GNP@Ta修饰电极具有较高的电催化活性。GCE/GNP@Ta的检测范围为4.0 × 10−8 ~ 1.5 × 10−6 M,检测限为1.0 × 10−9 M (3sb/ M)。伏安法测定生物样品中的利托卡因具有良好的准确度和精密度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An Electrochemical Platform Constructed with Tantalum Nanoparticles and Graphene Nanoplatelets for the Voltammetric Sensing of Ritodrine

Tantalum (Ta) nanoparticles were synthesized by the reaction of lithium with pyridine solution of TaCl5 via ultrasonication. Then, Ta nanoparticles and graphene nanoplatelets (GNP) were utilized to construct a novel sensing platform for the voltammetric detection of ritodrine. The electrochemically active surface area and charge transfer resistance (Rct) of the proposed electrochemical platform (GCE/GNP@Ta) were determined to be 0.336 cm2 and 86 Ω. This indicates that proposed material can be considered as a promising material in sensing applications. The performance of GCE/GNP@Ta was examined for ritodrine oxidation process and compared with other electrodes. GCE/GNP@Ta improved the voltammetric behavior of ritodrine and exhibited an oxidation peak potential (Ep) of 0.71 V, which is less than that of other electrodes. The potential shift and peak improvement of ritodrine indicated the higher electrocatalytic activity of electrode modified with GNP@Ta. GCE/GNP@Ta exhibited a working range from 4.0 × 10−8 to 1.5 × 10−6 M with a detection limit of 1.0 × 10−9 M (3sb/m) for ritodrine. The voltammetric measurements yielded excellent accuracy and high precision for ritodrine in biological samples.

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来源期刊
Electroanalysis
Electroanalysis 化学-电化学
CiteScore
6.00
自引率
3.30%
发文量
222
审稿时长
2.4 months
期刊介绍: Electroanalysis is an international, peer-reviewed journal covering all branches of electroanalytical chemistry, including both fundamental and application papers as well as reviews dealing with new electrochemical sensors and biosensors, nanobioelectronics devices, analytical voltammetry, potentiometry, new electrochemical detection schemes based on novel nanomaterials, fuel cells and biofuel cells, and important practical applications. Serving as a vital communication link between the research labs and the field, Electroanalysis helps you to quickly adapt the latest innovations into practical clinical, environmental, food analysis, industrial and energy-related applications. Electroanalysis provides the most comprehensive coverage of the field and is the number one source for information on electroanalytical chemistry, electrochemical sensors and biosensors and fuel/biofuel cells.
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