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Reference type: Journal
Authors: Nicholls C, Karim K, Piletsky S, Saini S, Setford S
Article Title: Displacement imprinted polymer receptor analysis (DIPRA) for chlorophenolic contaminants in drinking water and packaging materials.
Publication date: 2006
Journal: Biosensors and Bioelectronics
Volume: 21
Issue: (7)
Page numbers: 1171-1177.
DOI: 10.1016/j.bios.2005.05.002
Alternative URL: http://www.sciencedirect.com/science/article/B6TFC-4GDSDVM-1/2/73d72a8280f39ce7c91544a69ac7f650

Abstract: The preparation of a molecularly imprinted polymer (MIP) for pentachlorophenol is described together with two alternative reporter derivatives for use in a displacement imprinted polymer receptor analysis (DIPRA) format procedure. In this procedure, alternative reporter molecules were rebound to the synthetic receptor sites and their displacement by the target analyte was employed as the basis of a simple procedure for the measurement of chlorophenols in water and packaging material samples.Water samples were extracted using the standard procedure (EPA 528) and a detection limit of 0.5 μg l-1 was achieved using the DIPRA detection method, with good agreement between the displacement technique and GC-ECD analysis. A variety of packaging materials, extracted using a buffered detergent solution were also analysed using the DIPRA procedure and showed good agreement with GC results. In addition, investigation of the cross-reactivity of a range of pesticides and materials commonly encountered in environmental analysis indicated the procedure gave good discrimination between pesticides bearing a chlorophenolic moiety and other materials.The procedure is considered highly suitable for use as a rapid field-test method or for incorporation into a test kit device
Template and target information: pentachlorophenol
Author keywords: pentachlorophenol, Displacement, Imprinted, polymer, DIPRA

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