Department of fisheries, Hamoun International Wetland Research Institute, University of Zabol, Zabol, Iran.
Recently, the effects of antimicrobial activity of silver nanoparticles was considered by researcher because of Bacterial resistance to antimicrobial agents in chemical.The aim of this study was to evaluate the antimicrobial activity of the gold nanoparticles on Escherichia coli. Gold nanoparticles are chemically synthesized. Standard strain of E. coli was cultured in a nutrient broth. Minimum Inhibitory Concentration (MIC) and minimum bactericidal concentration (MBC) was determined by microdilution. The results showed that gold nanoparticles have good inhibitory effect against E.coli have been studied.