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Reference type: Journal
Authors: Kusunoki T, Kobayashi T
Article Title: Molecular imprinting micropolymerbeads having cooperative effect of both surfactant and inosine template.
Publication date: 2010
Journal: Journal of Applied Polymer Science
Volume: 117
Issue: (1)
Page numbers: 565-571.
DOI: 10.1002/app.31128

Abstract: Molecular imprinted polymer (MIP) microbeads were prepared by emulsion copolymerization of divinylbenzene (DVB) and methacrylic acid (MAA) in the presence of inosine (INO) template and laurylbenzenesulfonic acid (LBSA) as surfactant. The polymerization was carried out at 55C under ultrasound exposure. The resulting copolymer microbeads, having 0.1-0.4 mum diameter, were observed to have a binding behavior of INO and surfactant to the polymer which was strongly dependent of the bulk pH; for example, at pH 3, 6, and 10 values of binding for INO to the imprinted copolymer were 3.7 mumol/g, 2.1 mumol/g, and 0 mumol/g, respectively. It was found that LBSA surfactant bound to the MIP microbeads similarly depending on pHs. At pH 3, 6, and 10, the LBSA values of binding were 23 mumol/g, 1.3 mumol/g, and 4.8 mumol/g. It was also noted that the surfactant binding was enhanced in the presence of the INO template. This demonstrated that a cooperative binding with the surfactant was cooperatively occurred in the presence of INO. 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010
Template and target information: inosine, INO, laurylbenzenesulfonic acid, LBSA
Author keywords: molecular imprinting, inosine, Cooperative Effect, emulsion polymerization


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