Green synthesis of densely dispersed and stable silver nanoparticles using myrrh extract and evaluation of their antibacterial activity
作者： Ibrahim M El-Sherbiny , Ehab Salih , Fikry M Reicha
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摘要: In the present study, green synthesis of densely dispersed and stable silver nanoparticles (Ag NPs) using myrrh extract as green-reducing stabilizing agent was investigated. The Ag NPs were synthesized by exposing a mixture AgNO3 to UV irradiation for different time intervals. effects parameters such concentration reaction onto physicochemical characteristics developed studied. Formation noted upon changing solution color from pale yellow into brown confirmed appearance surface plasmon resonance peaks at about 445 nm. resulting characterized UV-vis spectrophotometry, transmission electron microscopy, Fourier transform infrared spectroscopy, X-ray diffraction. demonstrated relatively high antibacterial activity against Bacillus thuringiensis Pseudomonas aeruginosa bacteria compared that extract. increased with increasing NP concentration.
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