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Citation: LI Yong, ZHOU Wen-Hui, YANG Huang-Hao, WANG Xiao-Ru. Preparation of Molecularly Imprinted Polymer Films Modified Silica Gel and Its Extraction Application[J]. Chinese Journal of Applied Chemistry, ;2010, 27(1): 102-106. shu

Preparation of Molecularly Imprinted Polymer Films Modified Silica Gel and Its Extraction Application

a.
a. College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao;
b.
b. The First Institute of Oceanography, SOA, Qingdao 266061

Received Date: 15 January 2009
Available Online: 10 May 2009
Fund Project: 国家自然科学基金(20775019) (20775019)国家"八六三"计划(2006AA09Z168) (2006AA09Z168)山东省自然科学基金(Y2006B01) (Y2006B01)国家海洋局青年基金(2007601) 资助项目 (2007601)

This paper describes the use of surface initiated reversible addition-fragmentation chain transfer(RAFT) polymerization to graft thin molecularly imprinted polymer(MIP) films on silica gel particles(MIP-Silica).The grafted imprinted polymer film was characterized by elemental analysis and nitrogen adsorption analysis.The MIP-silica prepared in this study improved mass-transfer properties compared with MIPs prepared by conventional bulk polymerization.In addition,the MIP-Silica can be used as the sorbent in solid-phase extraction to determine the theophylline in blood serum with satisfactory recovery.Furthermore,the MIP-silica can also be applied in HPLC and capillary electrochromatography.
- molecularly imprinted polymer,
- reversible addition-fragmentation chain transfer,
- silica gel,
- theophylline
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