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Adsorption of guanosine, cytidine, and uridine on a β-cyclodextrin derivative grafted chitosan
Xiao J.B.
2007-03-05
Source PublicationJournal of Applied Polymer Science
ISSN00218995 10974628
Volume103Issue:5Pages:3050-3055
AbstractA β-cyclodextrin derivative grafted chitosan (CDD-C) was synthesized with chitosan and carboxymethyl-β-cyclodextrin (β-CD). Its structure was characterized by elemental, infrared spectra, and X-ray diffraction analyses. The degree of substitution by the carboxymethyl-β-CD moiety achieved 0.27 with the addition of DMF to the reaction solution. The results are in agreement with the expectations. The static adsorption properties for guanosine, cytidine, and uridine were studied. Experimental results demonstrated that CDD-C had higher adsorption capability for guanosine than cytidine and uridine, and the adsorption capacity for guanosine was 74.20 mg/g. The adsorption capacity was greatly influenced by pH, time, and temperature. The introduction of chitosan enhanced the adsorption ability and adsorption selectivity of β-CD for guanosine. This novel derivative of chitosan is expected to have wide applications in separation, concentration, and analysis of guanosine, cytidine, and uridine in biological sample. © 2006 Wiley Periodicals, Inc.
KeywordAdsorption Carboxymethyl-β-cyclodextrin Chitosan Cytidine Guanosine Uridine
DOI10.1002/app.25465
URLView the original
Language英語
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Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
AffiliationCentral South University China
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GB/T 7714
Xiao J.B.. Adsorption of guanosine, cytidine, and uridine on a β-cyclodextrin derivative grafted chitosan[J]. Journal of Applied Polymer Science,2007,103(5):3050-3055.
APA Xiao J.B..(2007).Adsorption of guanosine, cytidine, and uridine on a β-cyclodextrin derivative grafted chitosan.Journal of Applied Polymer Science,103(5),3050-3055.
MLA Xiao J.B.."Adsorption of guanosine, cytidine, and uridine on a β-cyclodextrin derivative grafted chitosan".Journal of Applied Polymer Science 103.5(2007):3050-3055.
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