Journal
COMPOSITES SCIENCE AND TECHNOLOGY
Volume 92, Issue -, Pages 34-40Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2013.12.003
Keywords
Hybrid composites; Polymer-matrix composites (PMCs); Magnetic properties
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Funding
- Natural Basic Research Program of China (973 program) [2011CB606206, 2012CB619103]
- National Natural Science Foundation of China [31070849, 51133004]
- Program for New Century Excellent Talents in University [NCET-11-0350]
- Scientific Research Fund for Young Teachers in Sichuan University [2012SCU11057]
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The hollow Fe3O4/poly (lactic-co-glycolic acid) (PLGA) composite microspheres have been successfully prepared via emulsion-solvent evaporation method. The composite microspheres exhibited superparamagnetism, good magnetic response and narrow size distribution. The composite microspheres could assemble into linear aligned arrays under an ultra-low magnetic field. Once the ultra-low magnetic field was removed, the linear assemblies could be easily re-dispersed in aqueous solution to recover to the assembly units, namely the Fe3O4/PLGA composite microspheres. Such reversibly transformational morphologies between the linear assemblies and the assembly units would contribute to giving full play to the functions of the material. (C) 2013 Elsevier Ltd. All rights reserved.
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