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Reference type: Journal
Authors: Armstrong DW, Schneiderheinze JM, Hwang YS, Sellergren B
Article Title: Bubble fractionation of enatiomers from solution using molecularly imprinted polymers as collectors.
Publication date: 1998
Journal: Analytical Chemistry
Volume: 70
Issue: (17)
Page numbers: 3717-3719.
DOI: 10.1021/ac980154l

Abstract: Adsorptive bubble separation methods have been used to enrich components from both heterogeneous and homogeneous solutions. These methods are particularly effective for processing large solution volumes at low cost. Previous work demonstrated that chiral, surface-active collectors could be used to enrich enantiomers from homogeneous solution in a foam fractionation process. In a significant extension of this work, the use of highly selective molecularly imprinted polymers (MIPs) and heterogeneous solutions for the bubble flotation of enantiomers was evaluated. The high selectivity and ease of recycling of the MIP make this a potentially powerful approach for process-scale separations from large-volume bulk solutions. New MIPs were produced with low swelling properties which allowed them to retain enantioselectivity after numerous recyclings.

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