Citation: Yu Ping Zhang, Guo Qiang Zuo, Wen Jun Gong, Yue E. Deng, Quan Ming Li. Novel preparation of monolithic imprinted columns for electrochromatographic separation by photopolymerization[J]. Chinese Chemical Letters, ;2007, 18(6): 734-737. doi: 10.1016/j.cclet.2007.04.029 shu

Novel preparation of monolithic imprinted columns for electrochromatographic separation by photopolymerization

a Henan Institute of Science and Technology, Xinxiang 453003, China;
b Department of Chemistry, Henan Nomal University, Xinxiang 453003, China

Received Date: 21 January 2007

Fund Project: The financial support from the NSFC-KOSEF Scientific Cooperation Program (No. 20610176), Program for New Century Talents of University in Henan Province (2006 HANCET-01), and Program for Backbone Teacher in Henan Province was acknowledged.

A monolithic molecularly imprinted polymer with specific recognition ability for 4-hydroxybenzoic acid (4-HBA) was prepared by in situ photopolymerization, using methacrylic acid (MAA) as a functional monomer, ethylene glycol dimethacrylate (EDMA) as a cross-linking agent, toluene and isooctane as porogenic solvents and Irgacure 1800 as an initiator.Baseline separation of isomers of hydroxybenzoic acid was achieved in less than 8 min on this monolithic column using 4-HBA as template, but not on the blank polymer.Furthermore, some neutral compounds could also be baseline-separated on the imprinted polymer column in the mode of pressure-driven capillary electrochromatography.
- Monolithic columns,
- Molecularly imprinted polymer,
- Electrochromatography,
- Photopolymerization
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