{"title":"通过改装碳纤维电极方便准确地检测多巴胺和葡萄糖","authors":"Fengjin Han, Xiaoyan Zhang, Zijian Li, Haowei Sun, Hua Yuan, Xiaoyu Huang","doi":"10.1149/2162-8777/ad628b","DOIUrl":null,"url":null,"abstract":"\n Fast, sensitive, and low-cost high-performance detectors have gradually become an indispensable tool for people to keep healthy, and sensors are the key devices of detection equipment. In this work, a ZnO nanocrystal modified carbon fiber electrode was prepared using a hydrothermal method, and on this basis, a galvanostatic point deposition method was used to load copper nanoparticles to prepare a sensor electrode. Scanning electron microscopy and X-ray diffraction were used to comprehensively analyze composition, morphology, and environmental adaptability of the prepared electrodes. The DPV test was used to verify the enhanced effect of ZnO nanorods on neurotransmitter detection. The ZnO/CF showed an obvious electrical signal (0.22 V, 4×10-5A) in the detection of dopamine (DA) solution, and the Cu-NPs/ZnO/CF also showed excellent detection results in the glucose detection experiment., providing two excellent examples for the development of low-cost electrochemical sensors. The electrodes can specifically detect DA in the presence of ascorbic acid and uric acid, and the detection limit of the electrode for detecting DA is about 0.4 μM. In addition, the Cu-NPs/ZnO/CF electrode successfully realized the enzyme-free detection of glucose, and the detection limit could reach 0.5 μM.","PeriodicalId":11496,"journal":{"name":"ECS Journal of Solid State Science and Technology","volume":null,"pages":null},"PeriodicalIF":1.8000,"publicationDate":"2024-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Convenient and Accurate Detection of Dopamine and Glucose by Modifying Carbon Fiber Electrodes\",\"authors\":\"Fengjin Han, Xiaoyan Zhang, Zijian Li, Haowei Sun, Hua Yuan, Xiaoyu Huang\",\"doi\":\"10.1149/2162-8777/ad628b\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\\n Fast, sensitive, and low-cost high-performance detectors have gradually become an indispensable tool for people to keep healthy, and sensors are the key devices of detection equipment. In this work, a ZnO nanocrystal modified carbon fiber electrode was prepared using a hydrothermal method, and on this basis, a galvanostatic point deposition method was used to load copper nanoparticles to prepare a sensor electrode. Scanning electron microscopy and X-ray diffraction were used to comprehensively analyze composition, morphology, and environmental adaptability of the prepared electrodes. The DPV test was used to verify the enhanced effect of ZnO nanorods on neurotransmitter detection. The ZnO/CF showed an obvious electrical signal (0.22 V, 4×10-5A) in the detection of dopamine (DA) solution, and the Cu-NPs/ZnO/CF also showed excellent detection results in the glucose detection experiment., providing two excellent examples for the development of low-cost electrochemical sensors. The electrodes can specifically detect DA in the presence of ascorbic acid and uric acid, and the detection limit of the electrode for detecting DA is about 0.4 μM. In addition, the Cu-NPs/ZnO/CF electrode successfully realized the enzyme-free detection of glucose, and the detection limit could reach 0.5 μM.\",\"PeriodicalId\":11496,\"journal\":{\"name\":\"ECS Journal of Solid State Science and Technology\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.8000,\"publicationDate\":\"2024-07-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ECS Journal of Solid State Science and Technology\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://doi.org/10.1149/2162-8777/ad628b\",\"RegionNum\":4,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"ECS Journal of Solid State Science and Technology","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1149/2162-8777/ad628b","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
摘要
快速、灵敏、低成本的高性能检测仪已逐渐成为人们保持健康不可或缺的工具,而传感器则是检测设备中的关键器件。本研究采用水热法制备了氧化锌纳米晶改性碳纤维电极,并在此基础上采用电静电点沉积法负载纳米铜粒子制备了传感器电极。利用扫描电子显微镜和 X 射线衍射技术全面分析了所制备电极的成分、形貌和环境适应性。利用 DPV 试验验证了氧化锌纳米棒对神经递质检测的增强效果。ZnO/CF 在多巴胺(DA)溶液检测中显示出明显的电信号(0.22 V,4×10-5A),Cu-NPs/ZnO/CF 在葡萄糖检测实验中也显示出良好的检测效果,为开发低成本电化学传感器提供了两个很好的范例。该电极能在抗坏血酸和尿酸存在的情况下特异性地检测 DA,检测 DA 的电极检测限约为 0.4 μM。此外,Cu-NPs/ZnO/CF 电极还成功实现了葡萄糖的无酶检测,检测限达到 0.5 μM。
Convenient and Accurate Detection of Dopamine and Glucose by Modifying Carbon Fiber Electrodes
Fast, sensitive, and low-cost high-performance detectors have gradually become an indispensable tool for people to keep healthy, and sensors are the key devices of detection equipment. In this work, a ZnO nanocrystal modified carbon fiber electrode was prepared using a hydrothermal method, and on this basis, a galvanostatic point deposition method was used to load copper nanoparticles to prepare a sensor electrode. Scanning electron microscopy and X-ray diffraction were used to comprehensively analyze composition, morphology, and environmental adaptability of the prepared electrodes. The DPV test was used to verify the enhanced effect of ZnO nanorods on neurotransmitter detection. The ZnO/CF showed an obvious electrical signal (0.22 V, 4×10-5A) in the detection of dopamine (DA) solution, and the Cu-NPs/ZnO/CF also showed excellent detection results in the glucose detection experiment., providing two excellent examples for the development of low-cost electrochemical sensors. The electrodes can specifically detect DA in the presence of ascorbic acid and uric acid, and the detection limit of the electrode for detecting DA is about 0.4 μM. In addition, the Cu-NPs/ZnO/CF electrode successfully realized the enzyme-free detection of glucose, and the detection limit could reach 0.5 μM.
期刊介绍:
The ECS Journal of Solid State Science and Technology (JSS) was launched in 2012, and publishes outstanding research covering fundamental and applied areas of solid state science and technology, including experimental and theoretical aspects of the chemistry and physics of materials and devices.
JSS has five topical interest areas:
carbon nanostructures and devices
dielectric science and materials
electronic materials and processing
electronic and photonic devices and systems
luminescence and display materials, devices and processing.