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Reference type: Journal
Authors: Uezu K, Kuwabara T, Yoshida M, Goto M, Furusaki S
Article Title: Lanthanoid element recognition on surface-imprinted polymers containing dioleylphosphoric acid as a functional host.
Publication date: 2004
Journal: Analytical Sciences
Volume: 20
Issue: (11)
Page numbers: 1593-1597.
DOI: 10.2116/analsci.20.1593
Alternative URL: http://www.jstage.jst.go.jp/article/analsci/20/11/1593/_pdf

Abstract: Surface-imprinted polymers have been newly developed for the separation of lanthanoid elements: i.e. La(III), Ce(III), and Dy(III). The imprinted polymers were prepared by surface template polymerization with dioleylphosphoric acid, which exhibits a high affinity to lanthanoids, as a functional host molecule. Separation behavior of La(III), Ce(III) and Dy(III) was investigated with the imprinted polymers, and the imprinting effect of the polymers was evaluated in comparison with that of the unimprinted polymers and also with a conventional solvent extraction method for the same lanthanoid ions. The results indicate that the increase of selectivity for Dy(III) compared to the rest of the ions by the surface- imprinted polymers originated from a synergistic effect of both the affinity with the functional host molecule in nature and the size exclusion by the cavity formed on the polymer surface

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