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A portable potentiostat with bluetooth communication for square wave voltammetry measurement

Authors
Shim, W.Han, J.-H.Kim, S.Kwon, H.J.Pak, J.
Issue Date
2016
Publisher
Korean Institute of Electrical Engineers
Keywords
Android; Bluetooth; Electrochemical sensor; Potentiostat; Square wave voltammetry
Citation
Transactions of the Korean Institute of Electrical Engineers, v.65, no.4, pp.622 - 627
Indexed
SCOPUS
KCI
Journal Title
Transactions of the Korean Institute of Electrical Engineers
Volume
65
Number
4
Start Page
622
End Page
627
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/91389
DOI
10.5370/KIEE.2016.65.4.622
ISSN
1975-8359
Abstract
This paper describes the development of a portable potentiostat which can perform square wave voltammetry on electrochemical sensors and wireless transmission of the measured data to a smartphone using Bluetooth. The potentiostat consists of a square wave potential pulse generation circuit for applying the potential pulse to the electrochemical sensor, a reduction/oxidation (or redox) current measurement circuit, and Bluetooth for wireless data transmission to an Android-based smartphone. The measured data are then processed to show the output graph on the smart phone screen in real time. This data transformation into a graph is carried out by developing and installing a simple transformation application software in the Android-based smartphone. This application software also enables the user to set and change the measurement parameters such as the applied voltage range and measured current range at user's convenience. The square voltammetry output data measured with the developed portable potentiostat were almost same as the data of the commercial potentiostat. The measured oxidation peak current with the commercial potentiostat was 11.35 μA at 0.26 V and the measured oxidation peak current with the developed system was 12.38 μA at 0.25 V. This proves that performance of the developed portable measurement system is comparable to the commercial one. © The Korean Institute of Electrical Engineers.
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