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Reference type: Journal
Authors: Wulff G, Oberkobusch D, Minarik M
Article Title: Enzyme-analogue built polymers .18. Chiral cavities in polymer layers coated on wide-pore silica.
Publication date: 1985
Journal: Reactive Polymers, Ion Exchangers, Sorbents
Volume: 3
Issue: (4)
Page numbers: 261-275.
DOI: 10.1016/0167-6989(85)90017-0

Abstract: The surface of wide pore silicas were coated with thin layers of polymer (10156 ) containing specific cavities obtained by imprinting with chiral templates. These polymer-coated silicas possessed a high selectivity in racemic resolution for the racemate of the template used in the batch procedure. In another set of experiments, the template monomer was arranged in a more uniform manner on the surface of silica before polymerization by introducing an additional binding directly to the silica. The mass transfer of these supports was studied in HPLC experiments. The resistance to intraparticle diffusion was found to be negligible. The most important contribution to plate height in this system is the effect of slow kinetics on the binding and dissociation process.

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