Synthesis, characterization and antimicrobial activity of hybrid-structured Ag@CeO2 nanoparticles
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In the present work, a hybrid Ag@CeO2 nanostructure composite was synthesized via a facile oxidation redox coating approach. The characterization by X-ray diffraction, transmission electron microscopy, energy-dispersive X-ray spectroscopy, and X-ray photoelectron spectroscopy indicates Ag nanoparticles (NPs) are firmly attached to the surface of the CeO2 nanoparticles, driven by the strong interfacial interaction between Ag NPs and CeO2. The antibacterial effects of the Ag@CeO2 hybrid nanocomposite against prokaryotic bacteria were tested using disk diffusion and turbidity method. The plausible mechanism was proposed for the inhibition of bacterial growth.
KeywordsAg@CeO2 nanocomposite Hybrid Antibacterial Mechanism
This work was supported by Grant Natural Science Foundation of China (21867015), Universities research project of Gansu (2015A041), the Hongliu young teachers cultivate project of Lanzhou University of Technology (Q201211) and the Doctoral research star-funded projects of Lanzhou University of Technology.
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