期刊
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
卷 30, 期 7, 页码 656-660出版社
JOURNAL MATER SCI TECHNOL
DOI: 10.1016/j.jmst.2013.12.007
关键词
Antibacterial activity; Nanocomposite; Core/shell; Ferrite; Magnetic nanoparticles; Silver nanoparticles
资金
- Research Council of Shahid Chamran University, Ahvaz, Iran
A new three-component and magnetically responsive NiFe2O4@PANI@Ag nanocomposite has been fabricated by coating of nickel ferrite, NiFe2O4, nanoparticles with polyaniline (PANI) and subsequent immobilization of silver nanoparticles onto the surface of polyaniline shell. The as-prepared nanoconnposite has been characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), and vibrating sample magnetometer (VSM). The saturation magnetization of the NiFe2O4 core decreases dramatically after coating with polyaniline and silver nanoparticles, however, the nanocomposite NiFe2O4@PANI@Ag can be still separated from solution media through magnetic decantation. The antibacterial activity of the synthesized nanocomposite was studied and compared with those of naked NiFe2O4, NiFe2O4@PANI and some standard antibacterial drugs.
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