conclusions the current study results showed that silver nanoparticles produced by plantago ovata seed extract had an antibacterial effect on staphylococcus aureus which was resistant against cefixime, trimethoprim-sulfamethoxazole and penicillin. results the silver nanoparticles revealed gaussian distributions with the average diameter of 13 nm with some deviations, and results showed that the...

background and objectives: blood stream infections cause significant morbidity and mortality in the world. in this study, we aimed at describing the organisms responsible for septicemia in 2006-2007 and their antimicrobial susceptibility that might lead to proper selection of antimicrobial agents in hospitalized patients with suspected sepsis. materials and methods: microbiology reports of 1753...

background: the current study aimed to determine the effect and properties of surface-modified copper doped cu:zno nps on killing curves of bacterial pathogens. m ethods:   preparation  of   in  situ   surface-modified  copper  doped  zno nanoparticles (cu:zno nps) was done according to standard procedure.assay for antimicrobial activity of cu:zno nps against bacterial pathogens was carried out...

objectives: wound is defined simply as the disruption of the biochemical, cellular, and anatomic continuity of a tissue. plants and their extracts known as phytomedicine have immense potential for the management and treatment of wounds. materials and methods: due to the undesirable side effects, in the control and treatment of the wound infections, it is recommended to use natural materials suc...

conclusions as a result of the full range uv-vis scanning of the responsible band in the hptlc experiments (200-700 nm), the flavonoid was the most imaginable natural compound. results through the bioassay guided fractionation method, the greatest antibacterial activities were related to the n-hexane extract. it was also revealed that the effective anti-mrsa agent of the assessed plant was a re...

background: the aim of this study was to compare the antibacterial efficacy of endemic satureja khuzistanica jamzad (skj) essential oil as root canal irrigation versus 2.5% sodium hypochlorite and 2% chlorhexidine gluconate.     methods: in current in vitro experimental study, fifty four single-rooted teeth were randomly divided into 6 groups of 9 samples: 2.5% sodium hypochlorite (naocl), 2% c...

background : prosthetic valve endocarditis (pve) is an important cause of morbidity and mortality associated with heart valve replacement surgery. the aim of the present study was to describe the early outcome of treatment in patients with pve in a single center. methods : the data of all the episodes of pve registered at our institution between 2002 and 2007 were collected and analyzed retrosp...

background: food borne pathogens are of the main concerns of food producers and consumers and escherichia coli and staphylococcus aureus create a lot of problems worldwide. the aim of this study was to evaluate antibacterial effects of monolaurin, sorbic acid and potassium sorbate on s. aureus and e. coli at different ph values and nacl concentrations. methods: micro-well dilution assay was use...

introduction: microbial keratitis is an infective process of the cornea with a potentially and serious visual impairments. contact lenses are a major cause of microbial keratitis in the developed countries especially among young people. therefore, the purpose of the present study was to evaluate the frequency and microbiological characteristic of clk in patients referred to the emergency depart...