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The design of polyaniline based sensor for the qualitative estimation of malonaldehyde

Kumar, Prajwal and Roy, Aashis S and Ramamurthy, Praveen C (2014) The design of polyaniline based sensor for the qualitative estimation of malonaldehyde. In: MEASUREMENT, 47 . pp. 1-4.

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Official URL: http://dx.doi.org/10.1016/j.measurement.2013.08.02...


The detection of contaminated food in every stage of processing required new technology for fast identification and isolation of toxicity in food. Since effect of food contaminant are severe to human health, the need of pioneer technologies also increasing over last few decades. In the current study, MDA was prepared by hydrolysis of 1,1,3,3-tetramethoxypropane in HCl media and used in the electrochemical studies. The electrochemical sensor was fabricated with modified glassy carbon electrode with polyaniline. These sensors were used for detection of sodium salt of malonaldehyde and observed that a high sensitivity in the concentration range similar to 1 x 10(-1) M and 1 x 10(-2) M. Tafel plots show the variation of over potential from -1.73 V to -3.74 V up to 10(-5) mol/L indicating the lower limit of detection of the system. (C) 2013 Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Publication: MEASUREMENT
Additional Information: copyright for this article belongs to ELSEVIER SCI LTD,ENGLAND
Keywords: Polyaniline; Biosensor; Sodium salt of malonaldehyde; Differential pulse adsorptive stripping voltammetry; Lower limit of detection (LLOD)
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 06 Jan 2014 10:10
Last Modified: 06 Jan 2014 10:14
URI: http://eprints.iisc.ac.in/id/eprint/48132

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