Synthesis and characterization of silver/diatomite nanocomposite by electron beam irradiation
Radiation Physics and Chemistry(2017)
摘要
Silver nanoparticles (AgNPs) with diameter about 9nm were deposited on diatomite by irradiation under electron beam of diatomite suspension containing 10mM AgNO3 in 1% chitosan solution, at the dose of 20.2kGy. The AgNPs/diatomite nanocomposite was characterized by UV–Vis spectroscopy, TEM image and energy dispersive X-ray spectroscopy (EDX). The antibacterial activity of the AgNPs/diatomite against E. coli and S. aureus was evaluated by reduction of bacterial colonies on spread plates and inhibition zone diameter on diffusion disks.
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关键词
Electron beam,Silver nanoparticles,Diatomite,Nanocomposite,Chitosan,Antibacterial
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