Journal
ANALYTICA CHIMICA ACTA
Volume 435, Issue 1, Pages 209-214Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0003-2670(01)00933-3
Keywords
molecularly imprinted polymers; imidazoles; organophosphotriester pesticides
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For the preparation of an enzyme mimic for phosphotriester hydrolysis, we have introduced catalytic groups in a polymer, mimicking the structure of the catalytic center of the enzyme phosphotriesterase. The polymers containing Co2+-imidazole complexes show a hydrolyric activity which was 20 times higher than polymers containing only imidazole or a solution containing only cobalt ions. Additionally, a molecularly imprinted polymer that was synthesized using a paraoxon analogue as template showed higher paraoxon hydrolysis activity than a control polymer prepared in the same way but without the template molecule. (C) 2001 Elsevier Science B.V. All rights reserved.
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