Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 13, Issue 2, Pages 569-573Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.200600590
Keywords
fullerenes; nanostructures; polymerization; radical scavenging
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The thermosensitive [60]fullerene end-capped poly(N-iso-propylacrylamide) was successfully synthesized by the reaction of C-60 with di-thiobenzoate-terminated poly(N-iso-propylacrylamide), which was prepared by reversible addition-fragmentation chain-transfer (RAFT) polymerization in the presence of azobisisobutyronitrile (AIBN). Its structure was determined by FTIR, UV/Vis, and carbon and proton NMR spectroscopy as well as by size exclusion chromatography (SEC). The novel fullerenated polymer retained the thermosensitivity of poly(N-isopropylacrylamide). Moreover, it is soluble in water and most of the common organic solvents. Interestingly, it was able to form nanoparticle clusters in methanol and exhibited significant radical scavenging ability in cell viability and metabolic activity tests with fibroblasts and NOR-3 radicals.
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