Journal
CERAMICS INTERNATIONAL
Volume 43, Issue 8, Pages 6371-6376Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2017.02.047
Keywords
Coating; Boron nitride; Hybrid nanomaterial; Biocompatibility; Superparamagnetic; Transmission electron microscopy
Categories
Funding
- National Natural Science Foundation of China [51402086, 51572068, 51332005, 51372066, 51202055]
- Natural Science Foundation of Hebei Province [E2016202122]
- Tianjin Research Program of Application Foundation and Advanced Technology [14JCYBJC42200]
- Hundred Talents Program of Hebei Province [E2014100011]
- Program for Changjiang Scholars and Innovative Research Team in University [PCSIRT: IRT13060]
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Hybrid nanocomposites consisting of uniform Fe3O4 nanoparticles and boron nitride (BN) nanospheres were synthesized via an ethanol-thermal reaction method. The spherical BN nanoparticles (BNNSs) with average diameter 150 nm have been uniformly coated with dense ultra-small Fe3O4 nanoparticles (with average diameter of 10 nm), forming novel Fe3O4@BNNS nanocomposites. Magnetic measurement by using vibrating sample magnetometer (VSM) indicates that the Fe3O4 coating is superparamagnetic, and the nanocomposites can be physically manipulated at a low magnetic field. Preliminary biocompatibility study has also been performed to evaluate the toxicity of the nanocomposites. The nanocomposites show cytocompatibility at low concentration and have little effect on cell viability of MCF-7, MCF-10 and Hela cell lines. The Fe3O4@BNNS nanocomposites may find a wide range of potential applications including water treatment, catalysts, carriers for boron neutron capture therapy and magnetic-targeted drug delivery.
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