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Reference type: Journal
Authors: Faizal CK, Kikuchi Y, Kobayashi T
Article Title: Molecular imprinting targeted for α-tocopherol by calix[4]resorcarenes derivative in membrane scaffold prepared by phase inversion.
Publication date: 2009
Journal: Journal of Membrane Science
Volume: 334
Issue: (1-2)
Page numbers: 110-116.
DOI: 10.1016/j.memsci.2009.02.019
Alternative URL: http://www.sciencedirect.com/science/article/B6TGK-4VRX66B-4/2/2df5ecf172aad1666965762c3b9feb96

Abstract: A molecular imprinting polymer targeted to α-tocopherol (α-Toc) was developed by polymer membrane scaffold method containing calix[4]resorcarenes and showing multiple non-covalent interactions with the template. A host-guest complex was fixed in a scaffold polymer membrane consisting of polysulfone. Phase inversion of the polymer solution containing the host-guest complex was carried out from a NMP solution into water. After the membrane was formed, removal of the template was performed by treating with MeOH/AcOH solution. It was observed that the amount of α-Toc bound to the imprinted and non-imprinted membranes in methanol/water (2:1, v/v%) was 41.1рдр0.9 and 22.2рдр1.1рμmol/g-membrane, respectively. Relative to the α-Toc analogues, 2-napthol (2-Nap), permselective experiments were achieved with a separation factor of 14.5 for α-Toc retained
Template and target information: α-tocopherol, α-Toc, vitamin E
Author keywords: Molecular-imprinted membrane, phase inversion, Multiple non-covalent interactions, Calix[4]resorcarene


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