期刊
POLYMER
卷 50, 期 13, 页码 2819-2825出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2009.04.053
关键词
Molecular imprinting; Reversible addition-fragmentation chain transfer (RAFT) polymerization; Precipitation polymerization
资金
- National Natural Science Foundation of China [20744003, 20774044]
- Natural Science Foundation of Tianjin [06YFJMJC15100]
- ministry of education [NCET-07-0462]
- SRF
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. (C) 2009 Elsevier Ltd. All rights reserved.
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