this laboratory study simultaneously was conducted to evaluate the resistance to heavy metals, silver, cadmium and a number of commonly used antibiotics. sampling was done in 2014 of the two silver workshops in isfahan, and the inlet of phase 2 of shahin shahr wastewater treatment plant, isfahan. to isolate resistant bacteria to metal silver and cadmium and review multiple resistance to other m...

objective: infections are increasing caused by antibiotic-resistant pseudomonas aeruginosa day by day. for this reason, many researchers have tried to find new compounds as alternative antibiotics. the purpose of this study was to evaluate the effect of yarrow extract, green tea and ajowan  on pseudomonas aeruginosa. methods: extraction  of achillea, green tea and ajowan was done with rotary. f...

background and objectives: with regard to the hazards of nitrite, application of natural preservatives in order to reduce the microbial load of meat and meat products is increasing. owing to their anti-bacterial properties, red barberry and the dried residue of red grape could be suitable replacers for nitrite. materials and methods: agar dilution method was employed in order to determine the m...

minimum inhibitory concentrations (mic) of some essential oils and citric acid were determined against two micro-organisms associated with spoilage of orange juice (saccharomyces cervisiae and leuconostoc mesenteroids) and against four unidentified microorganisms isolated from citrus surface and spoiled orange juice. mic for limonene were obtained less than 5% w/v aqueous against saccharomyces ...