Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 33, Issue 8, Pages 672-677Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201100776
Keywords
chiral; composite microspheres; magnetic polymers; optically activities; polyacetylenes
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Funding
- National Natural Science Foundation of China [21174010, 20974007]
- Fundamental Research Funds for the Central Universities [ZZ1117]
- Beijing Municipal Commission of Education
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This communication reports the first integration of two significant concepts, macromolecular helicity-derived chirality, and magneticity in one single microsphere entity. The novel chiral magnetic composite microspheres consisted of magnetic Fe3O4 nanoparticles and optically active helical substituted polyacetylene. Therefore, they exhibited both remarkable optical activity and magneticity. The microspheres adsorbed (R)-(+)-1-phenylethylamine much more quickly than the other enantiomer, demonstrating the potential applications of the chiral magnetic composite microspheres in chiral recognition and chiral resolution.
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