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- W3194667021 abstract "One of the new uses for polyanilines (PANIs) is as sensors, being able to measure the concentration of different types of compounds. As a positive charge exists on PANI’s nitrogen, nucleophilic compounds can interact with the polymer leading to an observable and measurable change. In this case, modification of Pt electrodes with polymers derived from the linear structure of PANI previously reported by us, namely (poly [2,6-di(thiophen-2-yl)aniline]; poly (2,6-dibromoaniline); poly[N1-(2,6-di(thiophenyl-2-yl)phenyl)benzene-1,4-diamine] and poly[aniline/2,6-di(thiophen-2-yl)aniline (1: 1)]), display selectivity towards iodide over other halides, with good reproducibility and sensitivity, as evidenced by the linear relationship between concentration vs generated current measured at a fixed potential. Limit of detection (LOD) lower than 7.35·10-5, limit of quantification (LOQ) below 7.43·10-5 mol·L-1 and linear regression r2> 0.99 were obtained. It is thus possible to develop with any of these polymers simple, very stable and inexpensive devices for the selective and direct quantification of halides, the most suitable being poly[N1-(2,6-di(thiophenyl-2-yl)phenyl)benzene-1,4-diamine], that produces the greatest current signals for iodide." @default.
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- W3194667021 date "2015-03-01" @default.
- W3194667021 modified "2023-10-04" @default.
- W3194667021 title "Polyanilines Modified Electrodes to be Assayed as Halides Sensors" @default.
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- W3194667021 doi "https://doi.org/10.1016/s1452-3981(23)04879-4" @default.
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