background: escherichia coli o157:h7 is a gram-negative and facultative anaerobic food-borne bacterial pathogen. the major purpose of this study was to evaluate physicochemical characteristics of nanoliposome garlic essential oil (eo) and its antibacterial effect on e. coli o157:h7. methods: nanoliposome garlic eo was prepared by ethanol injection method and its physicochemical properties were ...

Objective(s): Chitosan based composite fine fibers were successfully produced via a centrifugal spinning technology. This study evaluates the ability of the composites to function as scaffolds for cell growth while maintaining an antibacterial activity. Materials and methods: Two sets of chitosan fiber composites were prepared, one filled with anti-microbial silver nanoparticles and another on...

antibiotic guidelines have proven to be a simple and effective intervention to guide the choice of appropriate empiric antibiotic regimens. the goals of this study were to evaluate adherence to guidelines and streamlining of antibiotics. hospital records of hospitalized patients in infectious diseases ward imam khomeini hospital, tehran, iran, from may 2008 to september 2009 were reviewed. adhe...

ba ckground: legionella pneumophila is  a  dangerous pathogenic bacterium can cause serious infectious diseases especially in hospitalized immuno-compromised patients. this bacterium is shown to be resistant against different antibiotics. resistance against a wide range of antibiotics is usually mediated by efflux pump in bacteria. efflux pumps are proteinaceous transporters localized in the cy...

burns are known as one of the most common forms of injury with devastating consequences. despite the discovery of several antiseptics, burn wound healing has still remained a challenge to modern medicine. herbal products seem to possess moderate efficacy with no or less toxicity and are less expensive compared to synthetic drugs. burn is a well-known disorder in iranian traditional medicine (it...

background: in current study, chemical composition and antibacterial activity of leaves and flowers essential oils of origanum vulgare ssp. gracile against four food-borne pathogens including  escherichia coli, listeria monocytogenes, salmonella thyphimurium and staphylococcus aureus were examined. methods: the different organs (leaves and flowers) of o. vulgare ssp. gracile were harvested at f...

introduction: shallot is a plant which belongs to alium and albale family , this is a native plant from iran which is self – grown in high zones. by regard to further use of medicine and plant’s product , use of herbal plants has on important nole in medical treatment and preventi of diseale. the purpose of this study is the photo chemistry properties and anti – bacterial effects of this plant....

Glycyrrhiza glabra,  family Leguminoseae, is a plant which grows  in Egypt and  other  countries  of  the world.  Its  roots  possess  some  nutritive  value and medicinal properties. Glycyrrhiza glabra Linn, a commonly used herb in ayurvedic medicine. Studies indicate that Glycyrrhiza glabra Linn possesses antibacterial, antioxidant, antimalerial, antispasmodic, anti-inflammatory and anti hype...