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Reference type: Journal
Authors: Meng ZH, Wang JF, Zhou LM, Wang QH, Zhu DQ
Article Title: Beaded molecule imprinted polymer for stereo isomer separation.
Publication date: 1999
Journal: Chinese Journal of Chromatography
Volume: 17
Issue: (4)
Page numbers: 323-325.
Alternative URL: http://www.chrom-china.com/EN/article/downloadArticleFile.do?attachType=PDF&id=8687

Abstract: Beaded molecule imprinted polymer (MIP) was made by suspension polymerization. Particles with the size of 50-70 microns in diameter were collected and evaluated in HPLC mode to separate stereo isomers. Stereo isomers cinchonine and cinchonidine were successfully discriminated with selectivity factor of 2.89 and resolution factor of 0.76. Stereo selectivity of the MIP was found to come from both the interaction between the analyte and carboxyl group on the MIP and the similarity between the stereo structure of imprinted molecule and the MIP. The thermal analysis results showed that the MIP had high thermal stability with initial thermal decomposition temperature of 320 degrees C. The pore volume of the MIP was 0.1849 mL/g, the specific surface area was 126.84 sqm/g and the average pore diameter was 5.8 nanometer. Scanning electron microscopy showed that MIP had perfect spherical morphology
Template and target information: cinchonine, cinchonidine

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