Nguyễn Văn Khanh, Phan Văn Cư



Abstract: Silver nanoparticle solution synthesized by the Center for Incubation and Technology Transfers, with a maximum absorption wavelength λmax = 415 nm and an average nanoparticle size of 15.0 nm was used in the current study. Silver nanoparticle solution exhibited an antibacteria to Aeromonas hydrophyla and Aeromonas caviae isolated from fresh water fish ponds and Vibrio harveyi and Vibrio alginoliticus isolated from white shrimp pond. The results showed that silver nanoparticles inhibited A. caviae and A. hydrophila at a concentration of 25 ppm and the peak attenuation time was 24 hours after exposure to the bacteria, silver nanoparticles inhibited Vibrio harveyi and Vibrio alginoliticus at concentrations of 12.5 ppm and the peak attenuation time was 48 hours after exposure to the bacteria.

Key words: Antibacterial activity, silver nanoparticles, Aeromonas spp. and Vibrio spp


Antibacterial activity, silver nanoparticles, Aeromonas spp. and Vibrio spp.


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