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Assessment of the cross-reactivity and binding sites characterisation of a propazine-imprinted polymer using the Langmuir-Freundlich isotherm

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dc.contributor.author Turiel, E.
dc.contributor.author Pérez-Conde, C.
dc.contributor.author Martín Esteban, A.
dc.date.accessioned 2016-08-24T12:30:20Z
dc.date.available 2016-08-24T12:30:20Z
dc.date.issued 2003
dc.identifier.citation Turiel, E., Pérez-Conde, C., & Martín-Esteban, A. (2003). Assessment of the cross-reactivity and binding sites characterisation of a propazine-imprinted polymer using the Langmuir-Freundlich isotherm. Analyst, 128(2), 137-141. spa
dc.identifier.issn 00032654
dc.identifier.uri http://hdl.handle.net/11268/5664
dc.description.abstract In this paper, the Langmuir-Freundlich isotherm is used to model the interaction of several triazines (desethylatrazine, desisopropylatrazine, simazine, atrazine, propazine and prometryn) with a propazine-imprinted polymer and to explain the observed cross-reactivity. Different rebinding experiments (each herbicide alone or all together in a mixture) were carried out and the experimental binding isotherms were fitted to the Langmuir-Freundlich isotherm. The fitting coefficients obtained (total number of binding sites, mean binding affinity and heterogeneity index) allowed the description of the kind of binding sites present in the imprinted polymer under study. It was concluded that the recognition mechanism was mainly governed by the molecular size although slight differences in the molecular structure may also play an important role. The obtained results suggest that the use of this new methodology can open new pathways for understanding how molecular recognition in imprinted polymers takes place. spa
dc.description.sponsorship SIN FINANCIACIÓN spa
dc.language.iso eng spa
dc.title Assessment of the cross-reactivity and binding sites characterisation of a propazine-imprinted polymer using the Langmuir-Freundlich isotherm spa
dc.type article spa
dc.description.impact 2.251 JCR (2003) Q1, 13/67 Chemistry, analytical spa
dc.identifier.doi 10.1039/b210712k
dc.rights.accessRights closedAccess en
dc.subject.uem Química analítica spa
dc.subject.unesco Polímero spa
dc.subject.unesco Química spa
dc.description.filiation UEM spa
dc.peerreviewed Si spa


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