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Reference type: Journal
Authors: Alizadeh T, Ganjali MR, Norouzi P, Zare M, Zeraatkar A
Article Title: A novel high selective and sensitive para-nitrophenol voltammetric sensor, based on a molecularly imprinted polymer-carbon paste electrode.
Publication date: 2009
Journal: Talanta
Volume: 79
Issue: (5)
Page numbers: 1197-1203.
DOI: 10.1016/j.talanta.2009.02.051
Alternative URL: http://www.sciencedirect.com/science/article/B6THP-4VT14D1-1/2/a758fb80fc155db7767449b10fd792a8

Abstract: By using a molecularly imprinted polymer (MIP) as a recognition element, the design and construction of a high selective voltammetric sensor for para-nitrophenol was formed. Para-nitrophenol selective MIP and a non-imprinted polymer (NIP) were synthesized, and then used for carbon paste (CP) electrode preparation. The MIP-CP electrode showed greater recognition ability in comparison to the NIP-CP. It was shown that electrode washing after para-nitrophenol extraction led to enhanced selectivity, without noticeably decreasing the sensitivity. Some parameters affecting sensor response were optimized and a calibration curve was plotted. A dynamic linear range of 8 x 10-9 to 5 x 10-6 mol L-1 was obtained. The detection limit of the sensor was calculated as 3 x 10-9 mol L-1. Thus, this sensor was used successfully for the para-nitrophenol determination in different water samples
Template and target information: para-nitrophenol, p-nitrophenol, 4-nitrophenol
Author keywords: Para-nitrophenol, molecularly imprinted polymer, voltammetric sensor, carbon paste electrode

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