Non-covalent and semi-covalent molecularly imprinted polymers for selective on-line solid-phase extraction of 4-nitrophenol from water samples
Caro, E. and Masque, M. and Marce, R.M. and Borrull, F. and Cormack, P.A.G. and Sherrington, D.C. (2002) Non-covalent and semi-covalent molecularly imprinted polymers for selective on-line solid-phase extraction of 4-nitrophenol from water samples. Journal of Chromatography A, 963 (1-2). pp. 169-178. ISSN 0021-9673
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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.
Creators(s): |
Caro, E., Masque, M., Marce, R.M., Borrull, F., Cormack, P.A.G. ![]() | Item type: | Article |
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ID code: | 487 |
Keywords: | solid-phase extraction, water analysis, molecularly imprinting, nitrophenols, Chemistry |
Subjects: | Science > Chemistry |
Department: | Faculty of Science > Pure and Applied Chemistry |
Depositing user: | Mr Derek Boyle |
Date deposited: | 09 Mar 2006 |
Last modified: | 05 Feb 2021 04:33 |
URI: | https://strathprints.strath.ac.uk/id/eprint/487 |
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