石墨烯修饰的丝网印刷电极上的RuO2/IrO2纳米颗粒增强抗坏血酸的电化学检测

IF 5.7 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Surfaces and Interfaces Pub Date : 2025-06-14 DOI:10.1016/j.surfin.2025.106943

Claudia Cirillo , Mariagrazia Iuliano , Elena Navarrete Astorga , Maria Sarno

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引用次数: 0

摘要

本研究提出了一种由还原氧化石墨烯（rGO）负载的RuO₂/IrO₂纳米颗粒修饰的丝网印刷电极的开发和表征，用于抗坏血酸（AA）的电化学检测。利用电子显微镜和x射线衍射进行结构和形态分析，证实了纳米颗粒在氧化石墨烯表面的均匀分布，形成了三维结构，提高了电子传递效率。该修饰电极对AA的检测具有较高的灵敏度和选择性，检测限为0.86µM。所获得的抗干扰性能和运行稳定性表明，RuO₂/IrO₂@rGO-SPE电极是精确检测AA的有效解决方案，在临床、制药和环境领域具有潜在的应用前景。

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RuO2/IrO2 nanoparticles on graphene modified screen-printed electrode for enhanced electrochemical detection of ascorbic acid

This study presents the development and characterization of a screen-printed electrode modified with RuO₂/IrO₂ nanoparticles supported on reduced graphene oxide (rGO) for the electrochemical detection of ascorbic acid (AA). Structural and morphological analyses using electron microscopy and X-ray diffraction confirmed a uniform distribution of nanoparticles across the rGO surface, creating a three-dimensional structure that enhances electron transfer efficiency. The modified electrode exhibited high sensitivity and selectivity for AA detection, with a detection limit of 0.86 µM. The obtained anti-interference properties and operational stability demonstrate that the RuO₂/IrO₂@rGO-SPE electrode is an effective solution for accurate AA detection, with potential applications in clinical, pharmaceutical, and environmental fields.

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来源期刊

Surfaces and Interfaces Chemistry-General Chemistry

CiteScore

8.50

自引率

6.50%

发文量

753

审稿时长

35 days

期刊介绍： The aim of the journal is to provide a respectful outlet for ''sound science'' papers in all research areas on surfaces and interfaces. We define sound science papers as papers that describe new and well-executed research, but that do not necessarily provide brand new insights or are merely a description of research results. Surfaces and Interfaces publishes research papers in all fields of surface science which may not always find the right home on first submission to our Elsevier sister journals (Applied Surface, Surface and Coatings Technology, Thin Solid Films)