نتایج جستجو برای: bacterial effect
تعداد نتایج: 1823502 فیلتر نتایج به سال:
the aim of the present study was to isolate cyanobacteria from oil refinery waste water and detection of antagonistic activity of their extracts on four species of pathogenic bacteria. the cyanobacterium was isolated and purified on blue green algae medium number 11 (bg-11) medium. methanol and water extracts prepared from the cultured cyanobacterium after 45 days growth on bg-11 medium. the bi...
Objective: In recent years, there has been an increasing interest in using herbal products to overcome bacterial resistance. The aim of this study was to investigate the effect of lemon verbena aqueous extract, verbascoside and caffeine in combination with gentamicin against standard and clinical isolates of Staphylococcus aureus and Escherichia coli strains. Materials and Methods: The MIC and ...
aims: the internal unit and icu of hospitals are a suitable environment for growing of bacteria such as staphylococcus epidermidis, pseudomonas and acinetobacters. the aim of this study was to evaluate the efficacy of using disinfectants on bacterial remove in isfahan city, iran, hospitals. instrument & methods: this descriptive study was performed in isfahan city, iran, hospitals in 2015. 200 ...
Background: Perovskia abrotanoides is small kind of lamiaceae family that find in iran and some neighboring countries by endemic. Objective: Because The effect of anti-bacterial and anti-fungal medical plant extract on bacteria and fungi and determine the Minimal Inhibitory Concentration (MIC) has not been done so present study follow the above aim. Methodes: In this study by using 80% methan...
introduction acetic acid bacteria are large group of obligate aerobic gram negative bacteria with the ability to oxidize ethanol to acetic acid (1). they are widely distributed in natural habitats and classified in family acetobacteraceae. members of this family are useful in industrial production of vinegar(2). acetic acid bacteria (aab) can use substrates as glucose, ethanol, lactate or glyc...
A growing body of documents shows that rising average global temperatures can be one of several causes of disease emergence and reemergence among human and animal populations. In this regard, climate mostly affects diseases caused by pathogens that spend part of their lifecycle outside of the host, exposed to the environment like water-borne diseases, food-borne pathogens, and vector-borne zoon...
The aim of this study was to investigate the effect of sodium dodecyl sulfate (SDS), citric acid, and hydrogen peroxide (H2O2), alone or in combination, on reducing the population of four foodborne pathogens, including Escherichia coli, Listeria monocytogenes, Salmonella typhimurium, and Staphylococcus aureus on eggshells. In each series of tests, eight fresh eggs were inoculated with each bact...
Background and purpose: Improvement of anti-bacterial properties of restorative materials to deal with microbes causing secondary caries of tooth has attracted interest of many researchers. Thus, in this study the antibacterial effect of zinc phosphate nanoparticles, synthesized with biological method, was investigated by adding it to glass ionomer cement against the Streptococcus mutans. Ma...
A. calamus that grows in province of Baluchistan and Kerman in Iran plays a major role in the revival of traditional medicine. Despite the useful role of this plant in many ailments, its anti-bacterial properties are not well understood. In this study, we investigated anti-bacterial activities of rhizomes ware of A. calamus against various strains of bacteria such as Staphylococcus aureus and E...
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