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...

background: the advancement of technology in recent decades has been lead to use the electrophysiology cardiac devices. although these devices are used increasingly, but the frequency of subclinical infection is unknown. we investigate bacterial infections due to implantable cardioverter defibrillator (icds) in patients with endocarditis. m aterials and methods: population of the study was cons...

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...

meningitis is an acute inflammation of the protective membranes covering the brain and spinal cord, which are known as the meninges. this infection may be caused by streptococcus pneumonia bacteria. in this study, we presented the case of a female newborn with meningitis secondary to streptococcus pneumonia. her birth weight and height were normal. after 24 hours of birth, the neonate was diagn...

the chemical composition of essential oils isolated from the leaves of cosmos bipinnatus and its antibacterial activity were analyzed by gc-ms and microbroth dilution assay respectively. the essential oil extracted from this plant was predominantly composed of monoterpenes (69.62%) and sesquiterpenes (22.73%). the antibacterial assay showed that the oil had significant inhibitory effects agains...

background; pollution of drinking water and ice is one of the most serious ways of water borne diseases spread. the purpose of this study was to investigate the bacterial contamination of the ice produced by ice factories in bandar abbas. methods; in this descriptive ,cross-sectional study samples were collected from seven ice factories in bandar abbas. sampling was done by standard method.    ...

introduction: the provision of an effective apical seal is an essential factor when choosing an appropriate material for success of root-end surgeries. root-end resection, preparation and obturation should provide an adequate apical seal. the aim of this in vitro study was to investigate bacterial and dye microleakage of four different root-end filling materials and compare the efficacy of thes...

different strains of escherichia coli (e. coli) from human, chickens, and the common strain between human and chickens were isolated and typed with mono-specific antibody. the e. coli strains from each group of human, chicken and common between human and chicken were selected. the polypeptide patterns of selected strains were analyzed and compared with each other by sodium dodecyle sulphate pol...

background : this study investigated the in vitro and in vivo antibacterial effects of three mouthwashes on su-pragingival plaque microbiota. the three mouthwashes under study were 0.2% chlorhexidine (chx), listerine®, and persica (pm). water was used as negative control. methods : supragingival plaque samples were collected from 32 patients with gingivitis in the dental school of shahid behesh...