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Issue 12, 2018
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A thumb-size electrochemical system for portable sensors

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Abstract

To enable electrochemistry-based sensors to be applied under size and cost sensitive conditions, we developed a thumb-size electrochemistry instrument system (MiniEC) with integrated components including an electrochemical sensing interface, signal transduction, amplification, filtering, processing and transmission with a cost of around only $15. We showed its potential application for electrochemical studies and on-site environmental monitoring in a wide range of environments such as laboratory, household, countryside, industry or wild settings. By using the MiniEC with screen printed electrodes, the LOD (limit of detection) for Cd2+ and Pb2+ is as low as 1 μg L−1 and 0.5 μg L−1, respectively.

Graphical abstract: A thumb-size electrochemical system for portable sensors

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Supplementary files

Article information


Submitted
09 Apr 2018
Accepted
10 May 2018
First published
11 May 2018

Analyst, 2018,143, 2760-2764
Article type
Communication

A thumb-size electrochemical system for portable sensors

Z. Gu, H. Liu, Y. Ying, G. Xiu and Y. Long, Analyst, 2018, 143, 2760
DOI: 10.1039/C8AN00645H

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