نتایج جستجو برای: source of resistance

تعداد نتایج: 21230372  

In this paper, a multi-stage Z-source inverter with high boost factor is proposed. The proposed topology by using the combination of a power supply and Z-source networks are increased the voltage. Regarding voltage increase capability over the wide range, good resistance against electromagnetic noise and immunities against shoot through (ST), this inverter can be used widely in the photovoltaic...

Journal: :jundishapur journal of microbiology 0
anthony ayodeji adegoke applied and environmental microbiology research group (aemreg), department of biochemistry and microbiology, university of fort hare, alice, south africa; applied and environmental microbiology research group (aemreg), department of biochemistry and microbiology, university of fort hare, alice, south africa. tel: +27-732387411 anthony i. okoh applied and environmental microbiology research group (aemreg), department of biochemistry and microbiology, university of fort hare, alice, south africa

background assessment of resistance genes is imperative, as they become disseminated to bacterial flora in plants and to the indigenous bacterial community, and thus ultimately contributes to the clinical problems of antibiotic resistant pathogens. objectives the research was to assess the antibiotic characteristics and incidence of sul3 genes of stenotrophomonas maltophilia isolates recovered ...

Journal: :iranian journal of medical sciences 0
m.r. shakibaie departments of microbiology, kerman university of medical sciences, kerman s. adeli departments of microbiology, kerman university of medical sciences, kerman y. nikian epidemiology and statistics, kerman university of medical sciences, kerman

background: increasing resistance of pseudomonas aeruginosa to ciprofloxacin in icu/burn units has created a problem in the treatment of infections caused by this microorganism. methods: fifty p. aeruginosa strains were isolated from burn patients hospitalized in the kerman hospital during may 1999-april 2000 and were tested for in-vitro sensitivity to different antibiotics by disc diffusion br...

Journal: :به نژادی نهال و بذر 0
فاطمه زرندی دانشجوی سابق بیماری شناسی گیاهی فرزاد افشاری موسسه تحقیقات اصلاح و تهیه نهال و بذر، کرج سعید رضائی دانشگاه آزاد اسلامی، واحد علوم و تحقیقات، تهران.

in the present study resistance of some elite lines of wheat at seedling stage were evaluated in cereal rusts greenhouse at seed and plant improvement institute in karaj and at adult plant stage in ahvaz under artificial inoculation with an isolate of leaf rust from ahvaz. for seedling resistance, different components of resistance were measured. the results showed that lines m-85-1, m-86-1 and...

Background Resistant Shiga toxigenic Escherichia coli (STEC), is the most prevalent source of diarrhea in pediatrics. This study was conducted to investigate the antimicrobial resistance properties of STEC strains of diabetic and non-diabetic pediatrics with diarrhea. Materials and Methods: This was a case-control study conducted from December 2014 to September 2015 in an educational hospital, ...

Journal: :journal of occupational health and epidemiology 0
n zia sheikholeslami qom university of medical sciences m rezaeian rafsanjan university of medical scienes a heidarpoor qom university of medical sciences m hadavi rafsanjan university of medical scienes m tashakori rafsanjan university of medical scienes

background: nosocomial infections are an important cause of hospital mortalities. staphylococcus aureus (s. aureus) carriers among medical staff are an important source of nosocomial infections. the purpose of this study was to investigate the prevalence of the nasal carriers of s. aureus and antibiotic resistance in staff of nikuee hospital, qom, iran. materials and methods: in this cross-sect...

Journal: :jundishapur journal of microbiology 0
seyed mohsen seyedpour department of microbiology, faculty of biological sciences, shahid beheshti university, g.c., tehran, ir iran fereshteh eftekhar department of microbiology, faculty of biological sciences, shahid beheshti university, g.c., tehran, ir iran; department of microbiology, faculty of biological sciences, shahid beheshti university, g.c., tehran, ir iran. tel: +98-2129903208, fax: +98-2122431664

background plasmid-mediated quinolone resistance genes (pmqr) have been shown to play not only an important role in quinolone resistance, but also resistance to other antibiotics, particularly β-lactams and aminoglycosides. these genes are mainly associated with clinical isolates of enterobacteriaceae. however, detection of pmqr genes in the community isolates can increase the dissemination rat...

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