Embedded 32-bit Differential Pulse Voltammetry (DPV) Technique for 3-electrode Cell Sensing

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Abstract

This paper addresses the development of differential pulse voltammetry (DPV) embedded algorithm using an ARM cortex processor with new developed potentiostat circuit design for in-situ 3-electrode cell sensing. This project is mainly to design a low cost potentiostat for the researchers in laboratories. It is required to develop an embedded algorithm for analytical technique to be used with the designed potentiostat. DPV is one of the most familiar pulse technique method used with 3-electrode cell sensing in chemical studies. Experiment was conducted on 10mM solution of Ferricyanide using the designed potentiostat and the developed DPV algorithm. As a result, the device can generate an excitation signal of DPV from 0.4V to 1.2V and produced a peaked voltammogram with relatively small error compared to the commercial potentiostat; which is only 6.25% difference in peak potential reading. The design of potentiostat device and its DPV algorithm is verified.

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Aqmar, N. Z. N., Abdullah, W. F. H., Zain, Z. M., & Rani, S. (2018). Embedded 32-bit Differential Pulse Voltammetry (DPV) Technique for 3-electrode Cell Sensing. In IOP Conference Series: Materials Science and Engineering (Vol. 340). Institute of Physics Publishing. https://doi.org/10.1088/1757-899X/340/1/012016

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