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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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.

ORCID iDs

Caro, E., Masque, M., Marce, R.M., Borrull, F., Cormack, P.A.G. ORCID logoORCID: https://orcid.org/0000-0002-3390-8176 and Sherrington, D.C.;
  • Item type:Article
    ID code:487
    Dates:
    Date
    Event
    19 July 2002
    Published
    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:16 Jul 2021 03:11
    URI:https://strathprints.strath.ac.uk/id/eprint/487
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