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Abstract In this work, we reported electrochemical polymerization of methyl red for detection of 2-nitrophenol (2-NP), a known environmental pollutant and carcinogen. The electrochemically synthesized polymethyl red (PMR) was characterized… Click to show full abstract
Abstract In this work, we reported electrochemical polymerization of methyl red for detection of 2-nitrophenol (2-NP), a known environmental pollutant and carcinogen. The electrochemically synthesized polymethyl red (PMR) was characterized using FESEM, FTIR, XPS, XEDS and cyclic voltammetry. Due to its electro-catalytic property, the synthesized PMR displayed high sensitivity towards electro-reduction of 2-NP at room conditions. The limit of detection and sensitivity were found to be 0.15 μM (S/N = 3) and 95.0 μAμM-1 cm−2 respectively. It also produced highly reproducible, repeatable and stable responses to 2-NP and also good applicability in real environmental samples analysis. Based on the result of these electrochemical studies, PMR modified GCE is a promising electrochemical sensor probe for 2-NP for human health protection and environmental management.
Journal Title: Synthetic Metals
Year Published: 2020
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