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Reference type: Journal
Authors: Caro E, Masqué N, Marcé RM, Borrull F, Cormack PAG, Sherrington DC
Article Title: Non-covalent and semi-covalent molecularly imprinted polymers for selective on-line solid-phase extraction of 4-nitrophenol from water samples.
Publication date: 2002
Journal: Journal of Chromatography A
Volume: 963
Issue: (1-2)
Page numbers: 169-178.
DOI: 10.1016/S0021-9673(02)00360-6
Alternative URL: http://144.206.159.178/FT/553/64317/1096900.pdf

Abstract: Two molecularly imprinted polymers (MIPs) have been synthesised for the selective extraction of 4-nitrophenol (4-NP) from water samples. One polymer was synthesised via a non-covalent approach and the other via a semi-covalent approach. The selectivity of the polymers for 4-NP was evaluated when these polymers were applied in on-line solid-phase extraction (MISPE) coupled to reversed-phase HPLC. The MISPE conditions for both MIPs were optimised and a clean-up step was included to eliminate non-specific interactions. Differences between the two MIPs were observed with the non-covalent MIP being the more selective of the two, whereas the recoveries were slightly higher for the semi-covalent MIP. The performance of the imprinted polymers in the MISPE of real water samples was also evaluated. (C) 2002 Elsevier Science B.V. All rights reserved
Template and target information: 4-nitrophenol, 4-NP


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