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Preparation and electrochemical application of a new biosensor based on plant tissue/polypyrrole for determination of acetaminophen

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Abstract

Banana tissue containing polyphenol oxidase was incorporated into polypyrrole matrix to make a biosensor for the analysis of acetaminophen (ACT). The electrocatalytic behaviour of oxidized acetaminophen was studied at the surface of the biosensor, using various electrochemical methods. The advantages of this biosensor for the determination of acetaminophen are excellent catalytic activity, good detection limit and high exchange current density. The electrochemical and structural properties of the electrode were assessed using cyclic voltammetry, differential voltammetry, chronoamperometric techniques. The analytical properties (sensitivity, I p ) of this biosensor increased with plant tissue loading. Also this new biosensor was successfully applied for determination of acetaminophen in biologic samples.

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Correspondence to GHOLAMHOSSEIN ROUNAGHI.

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ROUNAGHI, G., Kakhki, R.M. Preparation and electrochemical application of a new biosensor based on plant tissue/polypyrrole for determination of acetaminophen. Bull Mater Sci 35, 811–816 (2012). https://doi.org/10.1007/s12034-012-0355-x

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  • DOI: https://doi.org/10.1007/s12034-012-0355-x

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