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The measurement principles, working parameters and configurations of voltammetric electronic tongues and its applications for foodstuff analysis

Author:
Wei, Zhenbo, Yang, Yanan, Wang, Jun, Zhang, Weilin, Ren, Qifeng
Source:
Journal of food engineering 2018 v.217 pp. 75-92
ISSN:
0260-8774
Subject:
biosensors, cleaning, electrodes, electronic tongue, foods, process monitoring
Abstract:
Voltammetric electronic tongue (VE-tongue) is a promising technology for advanced sensing and measurement applications. The review examines the measurement principles, working parameters and configurations of different types of voltammetric electronic tongues (VE-tongue): the VE-tongue based on bare electrodes, modified electrodes and biosensors. The working parameters of these VE-tongues (electrode cleaning method, pulsed voltammetry and pre-processing of responses data) are described, and the development of VE-tongue based on miniaturized sensors arrays and automatic flow techniques is also presented. The applications of foodstuff analysis commented include recognition of basic tastes substances, tracing origins/samples recognition, process monitoring, and quality investigation. Finally, the unsolved problems and significant efforts of VE-tongues are depicted.
Agid:
5823763