نتایج جستجو برای: biofilm

تعداد نتایج: 23722  

Journal: :jundishapur journal of microbiology 0
sajedeh karimi clinical microbiology research center, ilam university of medical sciences, ilam, ir iran sobhan ghafourian clinical microbiology research center, ilam university of medical sciences, ilam, ir iran morovat taheri kalani clinical microbiology research center, ilam university of medical sciences, ilam, ir iran farid azizi jalilian clinical microbiology research center, ilam university of medical sciences, ilam, ir iran saeed hemati clinical microbiology research center, ilam university of medical sciences, ilam, ir iran nourkhoda sadeghifard clinical microbiology research center, ilam university of medical sciences, ilam, ir iran; clinical microbiology research center, ilam university of medical sciences, ilam, ir iran. tel: +98-8412227101, fax: +98-8412227136

conclusions the analysis recommended that ta genes are prevalent in clinical isolates of e. coli strains. the analysis revealed that hipba ta system is associated with biofilm formation. results the results of the analysis revealed that 107 e. coli isolates were potent for biofilm formation by cra. the findings by microtiter plates showed that 102 e. coli isolates were biofilm producers. the re...

Journal: :nephro-urology monthly 0
yutaka isakozawa department of medical engineering, school of health science, kyusyu university of health and welfare, miyazaki, japan; 1714-1 yoshinomachi, nobeoka, miyazaki, 882-8508, japan. tel: +81-982235610, fax: +81-982235610 heihachi migita department of medical engineering, school of health science, kyusyu university of health and welfare, miyazaki, japan shingo takesawa department of medical engineering, school of health science, kyusyu university of health and welfare, miyazaki, japan

background central dialysate fluid delivery systems (cdds) are used by dialysis centers in japan, and although these systems are effective at delivering dialysate, they have a complex piping network with numerous sites where contamination can develop. in japan, cleaning disinfectants have been clinically evaluated based on endotoxin levels and bacterial counts, but there have been no published ...

Journal: :archives of clinical infectious diseases 0
fateh rahimi department of microbiology, faculty of science, university of isfahan, isfahan, ir iran; department of microbiology, faculty of science, university of isfahan, isfahan, ir iran. tel: +98-3137932250, fax: +98-3137932456 sharmin karimi department of microbiology, faculty of science, university of isfahan, isfahan, ir iran

conclusions the results of this study illustrated the high prevalence of antibiotic resistant biofilm-producing s. epidermidis strains in this hospital, which could be a reservoir for antibiotic resistance genes. results the results of the biofilm assay revealed that 82% of strains produced black colonies on congo red agar plates and 68% were able to attach strongly to polystyrene microplates. ...

Journal: :iranian journal of microbiology 0
ahya abdi-ali department of biology, faculty of sciences, alzahra university,tehran, iran. f khani-juy abad department of biology, faculty of sciences, alzahra university,tehran, iran. s gharavi department of biology, faculty of sciences, alzahra university,tehran, iran.

background and objectives: pseudomonas aeruginosa is an opportunistic pathogen that can produce biofilm. biofilm is a complex, three dimensional structure in which microorganisms are attached to a surface and embedded in a matrix made of extracellular polymers. due to high resistance to antimicrobial agents, biofilms create difficulties in various situations in healthcare. in this study, antibi...

Background: Sponges and sea anemones do not have specialized defense organs. Instead, they rival harmful microorganisms by producing certain compounds. These compounds can also be useful against some human pathogens. This study aimed to investigate the antimicrobial effects of bioactive products from these marine animals. Methods: Two species of sea anemone <e...

Journal: :iranian journal of basic medical sciences 0
ali salehzadeh department of biology, rasht branch, islamic azad university, rasht, iran hojjatolah zamani department of biology, faculty of science, university of guilan, rasht, iran maedeh keshtkar langeroudi department of biology, rasht branch, islamic azad university, rasht, iran amir mirzaie young researchers and elite club, east tehran branch, islamic azad university, tehran, iran

objective(s): staphylococcus aureus is an important bacterial pathogen responsible for a variety numbers of nosocomial and community acquired infections. biofilm formation is regarded as an important factor in the establishment of s. aureus infection. the contribution of the genetic background of s. aureus to biofilm formation is poorly understood. the aim of the present work was to genotype s....

Journal: :مجله میکروب شناسی پزشکی ایران 0
حوریه صادری hourie saderi پرویز اولیا parviz owlia سیدرضا هاشمی seyedreza hashemi

background and objectives: pseudomonas aeruginosais an important opportunistic pathogen. the mucoid strains of p. aeruginosa produce hyper viscous substances consisting mainly of alginate which have important roles in formation of biofilm.we investigated the effect of essential oil of matricaria chamomilla l. on biofilm production in p. aeruginosa. material and methods: p. aeruginosa 8821m was ...

Journal: :iranian journal of microbiology 0
elham akbari ayezloy student´s research committee, urmia university of medical sciences, urmia, iran nima hosseini jazani dept. of microbiology, faculty of medicine, urmia university of medical sciences saber yousefee department of microbiology, faculty of medicine, urmia university of medical sciences, urmia, iran nazanin habibi

background and objectives: biofilm formation is an important virulence factor for methicillin-resistant staphylococcus aureus (mrsa). fosfomycin is a borad-spectrum antibiotic with inhibitory effects on biofilm production and β-chloro-l-alanine (β-cla) is an amino acid analog. the aim of this study was to determine effect of the combination of fosfomycin and β-cla on biofilm production by mrsa ...

Journal: :jundishapur journal of microbiology 0
ahya abdi-ali department of biology, faculty of science, alzahra university, tehran, ir iran; department of biology, faculty of science, alzahra university, tehran, ir iran. tel: +98-2188044040, fax: +98-2188058912 saghar hendiani department of biology, faculty of science, alzahra university, tehran, ir iran parisa mohammadi department of biology, faculty of science, alzahra university, tehran, ir iran sara gharavi department of biology, faculty of science, alzahra university, tehran, ir iran

conclusions: it can be concluded that most of a. baumannii isolates can form biofilm in microtiter plate and tube. the results also verified that most of these isolates were resistant to ciprofloxacin and imipenem. results: results showed that in tube method under shaking, 22% of clinical isolates were strong biofilm producers while 23% of them were not able to form biofilms. in this experiment...

Journal: :journal of medical bacteriology 0
sina hedayati department of microbiology, faculty of biological sciences, shahid beheshti university, tehran, ir iran. fereshteh eftekhar department of microbiology, faculty of biological sciences, shahid beheshti university, tehran, ir iran. seyedmasoud hosseini department of microbiology, faculty of biological sciences, shahid beheshti university, tehran, ir iran.

background : reports on the association of nosocomial bacterial infections with indwelling medical devices such as intravenous catheters (ivc) has increased in recent years. the potential to form biofilm on these devices seems to be the main reason for establishment of such infections. the aim of this study was to measure the potential of biofilm formation by bacterial isolates from ivcs. metho...

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