开发电化学生物传感器的生物电极设计进展

IF 4.6 Q1 CHEMISTRY, ANALYTICAL ACS Measurement Science Au Pub Date : 2023-10-27 DOI:10.1021/acsmeasuresciau.3c00034
Nabajyoti Kalita, Sudarshan Gogoi, Shelley D. Minteer* and Pranab Goswami*, 
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摘要

电化学生物传感器的选择性、灵敏度、操作和存储稳定性以及响应时间等关键性能因素主要受其关键部件生物电极功能的影响。生物电极界面的适当设计和制造策略对于实现生物传感器的必要性能和实际用途至关重要。为实现这一目标,人们进行了多方面的尝试,从大量文献中可以看出,这些文献探讨了在电极表面制备、固定和稳定生物识别元件的有效策略,并借助先进的材料和技术,通过生物电极界面将生化信号有效地转化为电信号(即电流、电压和阻抗)。生物传感器在现代社会中的商业成功也日益受到其尺寸(因此便携性)、多路复用能力和无线通信技术接口耦合的影响,无线通信技术有利于在医疗保健、农业、食品和环境应用等不同领域快速传输数据和实时联动决策过程。因此,生物电极的制造涉及对多个参数的精心选择和控制,包括生物识别元件、电极材料、电极形状和尺寸、检测原理以及各种制造策略,包括微尺度和打印技术。本综述讨论了用于开发电化学生物传感器的生物电极设计和制造的最新趋势。讨论内容包括生物识别元件的类型及其固定策略、信号转导方法、电极制造常用的先进材料和生物电极制造技术,以及为开发具有商业价值的电化学生物传感器而将设备与现代电子通信技术相结合。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Advances in Bioelectrode Design for Developing Electrochemical Biosensors

The critical performance factors such as selectivity, sensitivity, operational and storage stability, and response time of electrochemical biosensors are governed mainly by the function of their key component, the bioelectrode. Suitable design and fabrication strategies of the bioelectrode interface are essential for realizing the requisite performance of the biosensors for their practical utility. A multifaceted attempt to achieve this goal is visible from the vast literature exploring effective strategies for preparing, immobilizing, and stabilizing biorecognition elements on the electrode surface and efficient transduction of biochemical signals into electrical ones (i.e., current, voltage, and impedance) through the bioelectrode interface with the aid of advanced materials and techniques. The commercial success of biosensors in modern society is also increasingly influenced by their size (and hence portability), multiplexing capability, and coupling in the interface of the wireless communication technology, which facilitates quick data transfer and linked decision-making processes in real-time in different areas such as healthcare, agriculture, food, and environmental applications. Therefore, fabrication of the bioelectrode involves careful selection and control of several parameters, including biorecognition elements, electrode materials, shape and size of the electrode, detection principles, and various fabrication strategies, including microscale and printing technologies. This review discusses recent trends in bioelectrode designs and fabrications for developing electrochemical biosensors. The discussions have been delineated into the types of biorecognition elements and their immobilization strategies, signal transduction approaches, commonly used advanced materials for electrode fabrication and techniques for fabricating the bioelectrodes, and device integration with modern electronic communication technology for developing electrochemical biosensors of commercial interest.

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来源期刊
ACS Measurement Science Au
ACS Measurement Science Au 化学计量学-
CiteScore
5.20
自引率
0.00%
发文量
0
期刊介绍: ACS Measurement Science Au is an open access journal that publishes experimental computational or theoretical research in all areas of chemical measurement science. Short letters comprehensive articles reviews and perspectives are welcome on topics that report on any phase of analytical operations including sampling measurement and data analysis. This includes:Chemical Reactions and SelectivityChemometrics and Data ProcessingElectrochemistryElemental and Molecular CharacterizationImagingInstrumentationMass SpectrometryMicroscale and Nanoscale systemsOmics (Genomics Proteomics Metabonomics Metabolomics and Bioinformatics)Sensors and Sensing (Biosensors Chemical Sensors Gas Sensors Intracellular Sensors Single-Molecule Sensors Cell Chips Arrays Microfluidic Devices)SeparationsSpectroscopySurface analysisPapers dealing with established methods need to offer a significantly improved original application of the method.
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