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Reference type: Journal
Authors: Pan GQ, Zu BY, Guo XZ, Zhang Y, Li CX, Zhang HQ
Article Title: Preparation of molecularly imprinted polymer microspheres via reversible addition-fragmentation chain transfer precipitation polymerization.
Publication date: 2009
Journal: Polymer
Volume: 50
Issue: (13)
Page numbers: 2819-2825.
DOI: 10.1016/j.polymer.2009.04.053
Alternative URL: http://www.sciencedirect.com/science/article/B6TXW-4W6YDVR-1/2/91d387de6c63a06a7d7f7ec4589da529

Abstract: The first combined use of reversible addition-fragmentation chain transfer (RAFT) polymerization and precipitation polymerization in the molecular imprinting field is described. The new polymerization technique, namely RAFT precipitation polymerization (RAFTPP), provides MIP microspheres with obvious molecular imprinting effects towards the template, fast template binding process and an appreciable selectivity over structurally related compounds, while only irregular MIP aggregates were obtained via traditional radical precipitation polymerization (TRPP) under similar reaction conditions. The MIP microspheres prepared via RAFTPP have proven to show improved binding capacity, larger binding constant and apparent maximum number for high-affinity sites, and significantly higher high-affinity binding site density in comparison with the MIP prepared via TRPP
Template and target information: 2,4-D, 2,4-dichlorophenoxyacetic acid
Author keywords: molecular imprinting, Reversible addition-fragmentation chain transfer (RAFT) polymerization, precipitation polymerization


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