| Functionalization of single-walled carbon nanotube by the covalent modification with polymer chains. | |
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MedLine Citation:
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PMID: 17095004 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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A single-walled carbon nanotube (SWNT), which had been oxidized by incubation with a mixture of nitric acid and sulfuric acid to afford carboxyl groups at its ends, was incubated with an azo-type radical initiator carrying poly(2-methacryloyloxyethyl D-glucopyranoside) blocks at both ends (PMEGlc-initiator). Due to its high radical trapping activity, the SWNT could be coated with glycopolymers corresponding to the cloven macro-initiator (PMEGlc-SWNT). The PMEGlc-SWNT indicated a lectin (concanavalin A, Con A)-induced aggregation, and a buckey sheet composed of PMEGlc-SWNT could be used for the recovery of Con A from its aqueous solution. Furthermore, the carboxylated SWNT was also incubated with a terminal-aminated poly(N-isopropyl acrylamide) (PIPA) and 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide HCl salt (PIPA-SWNT). The PIPA-SWNT indicated a definite temperature-responsiveness in the turbidity of its dispersion. These methods would be promising to modify SWNT with various functional polymers. |
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Authors:
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Hiromi Kitano; Kazutaka Tachimoto; Yasutaka Anraku |
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Publication Detail:
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Type: Journal Article Date: 2006-10-24 |
Journal Detail:
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Title: Journal of colloid and interface science Volume: 306 ISSN: 0021-9797 ISO Abbreviation: J Colloid Interface Sci Publication Date: 2007 Feb |
Date Detail:
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Created Date: 2006-12-04 Completed Date: 2007-03-27 Revised Date: 2009-11-11 |
Medline Journal Info:
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Nlm Unique ID: 0043125 Medline TA: J Colloid Interface Sci Country: United States |
Other Details:
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Languages: eng Pagination: 28-33 Citation Subset: - |
Affiliation:
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Department of Applied Chemistry, Graduated School of Science and Engineering, University of Toyama, Toyama 930-8555, Japan. kitano@eng.u-toyama.ac.jp |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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