Voltammetric characterisation of silicon-based microelectrode arrays and their application to mercury-free stripping voltammetry of copper ions

Voltammetric characterisation of silicon-based microelectrode arrays and their application to mercury-free stripping voltammetry of copper ions

Electrochemical sensors are of increasing importance in analytical chemistry due to their sensitivity, selectivity, fast and accurate analyses, portability and inexpensive cost [1]. The applications for such sensors vary widely from environmental and medical diagnostics to biotechnology and food and...

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Bibliographic Details
Main Authors: Berduque, A., Lanyon, Y., Beni, V., Herzog, G., Watson, Y., Rodgers, K., Stam, F., Alderman, J., Arrigan, Damien
Format: Journal Article
Published: Elsevier 2007
Online Access:http://hdl.handle.net/20.500.11937/5431
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Summary:Electrochemical sensors are of increasing importance in analytical chemistry due to their sensitivity, selectivity, fast and accurate analyses, portability and inexpensive cost [1]. The applications for such sensors vary widely from environmental and medical diagnostics to biotechnology and food and beverage analysis [2]. Improvements in electrochemical sensors include the development of modified electrodes (using chemical or biological recognition layers to improve the sensitivity and selectivity) and microelectrodes [3–5]. A microelectrode can be defined as an electrode in which at least one of its dimensions is in the m range [3] or an electrode with at least one dimension smaller than the diffusion length of the analyte [6].

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