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Influence of initiator and different polymerisation conditions on performance of molecularly imprinted polymers

By I. Mijangos, F. Navarro-Villoslada, A. Guerreiro, Elena V. Piletska, Iva Chianella, K. Karim, Anthony P. F. Turner and Sergey A. Piletsky

Abstract

A set of polymers was imprinted with (−)-ephedrine using two different initiators. A chemometrics approach was used to optimise experiments aimed at analysis of the interplay of parameters such as polymerisation time, temperature and percentage of initiator. The results presented demonstrate the importance of keeping the right balance between these various parameters of polymerisation conditions. It is shown that enhancing one single parameter such as polymer rigidity does not necessarily improve polymer performance. In general it could be concluded that MIPs should be synthesised over a long period of time using low concentration of initiator and low temperature. The best selectivity was achieved for polymers prepared by photo-initiation with 2,2-dimethoxy-2- phenylacetophenone as initiat

Topics: Molecularly imprinted polymers, Initiator, Temperature, Optimisation, HPLC
Publisher: Elsevier Science B.V., Amsterdam.
Year: 2006
DOI identifier: 10.1016/j.bios.2006.05.012
OAI identifier: oai:dspace.lib.cranfield.ac.uk:1826/3452
Provided by: Cranfield CERES
Journal:

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