نتایج جستجو برای: toxin a and b

تعداد نتایج: 20426597  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1390

acknowledgements i wish to express my gratitude to all those who have helped me in preparing this thesis. i would like to express my deep gratitude to my respected advisor dr. kourosh akef, whose advice and comments helped me in the early stages of the research and throughout the writing process. i would also like to express my gratitude to dr. hajar khanmohammad whose invaluable guidance he...

Ali Razei Hosien Aghamollaei Jafar Amani, Rahim Sorouri, Seyed Latif Mousavi Shahram Nazarian,

Objective(s): Listeria monocytogens, Bacillus cereus and Campylobacter jejuni are three toxin producing bacteria over the world, especially in Iran, and it is essential to find a certain, rapid procedure to identify these microorganisms. In this research, these bacteria were simultaneously detected by multiplex PCR technique in foods. Materials and Methods: The primary approval of bacterial str...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده علوم انسانی 1393

charles dickens was a voracious reader even in his childhood. his early reading of seventeenth- and eighteenth-century picaresque fiction greatly influenced his writing style. his first novel, the pickwick papers, is a tale of rogues and swindlers, adventures and quests, satire and comedy, and innocence and experience. oliver twist, dickens’ second novel, is a young boy’s progress through a cor...

Journal: :iranian journal of veterinary research 2011
m. bonyadian h. moshtaghi a. nematalahi e. rahimi m. akhavan taheri

the aim of this study was to determine the frequency of enterotoxigenic and enteroaggregative strains ofescherichia coli in chicken carcasses by polymerase chain reaction (pcr). in this study 63 strains of e. coliwere isolated from 110 samples of chicken carcasses during processing after chilling in the poultry slaughterhouse of shahrekord. polymerase chain reaction assays were used to detect t...

Journal: :journal of medical microbiology and infectious diseases 0
hadis tavafi department of biology, faculty of sciences, shahed university, tehran, iran parviz owlia molecular microbiology research center, shahed university, tehran, iran fariba shirvani pediatric infections research center, mofid children hospital, tehran, iran mozhgan hashemie pediatric infections research center, mofid children hospital, tehran, iran nader shahrokhi department of molecular biology, pasteur institute of iran, tehran, iran

introduction: toxigenic clostridium difficile is the major cause of antibiotic-associated diarrhea, colitis, and pseudomembranous colitis. the pathogenicity of c. difficile is related to toxins a&b.; children with cancer are at risk of developing c. difficile infection (cdi) due to increased exposure to antibiotics, immunosuppression, and longer hospital stays. recently, due to higher sensitivit...

A. Nematalahi E. Rahimi H. Moshtaghi M. Akhavan Taheri M. Bonyadian, S. Karami

The aim of this study was to determine the frequency of enterotoxigenic and enteroaggregative strains ofEscherichia coli in chicken carcasses by polymerase chain reaction (PCR). In this study 63 strains of E. coliwere isolated from 110 samples of chicken carcasses during processing after chilling in the poultry slaughterhouse of Shahrekord. Polymerase chain reaction assays were used to detect t...

Journal: :نامه انجمن حشره شناسی ایران 0
a. h. sayyed j. karimzadeh

we investigated the effects of interaction between cotesia plutellae (kurdjumov) and bacillus thuringiensis berliner on parasitism and an immune effector (phenoloxidase activity) of a bt-susceptible and a bt-resistant population of plutella xylostella (linnaeus) in laboratory. parasitism success of c. plutellae varied depending on the use of b. thuringiensis or its toxin, and the timing of appl...

Journal: :gastroenterology and hepatology from bed to bench 0
ehsan nazemalhosseini-mojarad masoumeh azimirad maryam razaghi parisa torabi ali moosavi masoud alebouyeh

aim : in this study, the prevalence of c. difficile , from patients with gastrointestinal complaints and its association with other enteropathogen microbes were investigated. background : clostridium difficile is an important pathogen associated with outbreaks of pseudomembranous colitis and other intestinal disorders, such as diarrhea. patients and methods : enterotoxin and cytotoxin (toxin a ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

armenias geopolitics and its historical experience have had a determining impact on the character of its foreign policy .present-day armenia is a small, landlocked country with _11,620 square miles area armenias landlocked nature makes it dependent on the benevolence of its neighbors for access to the outside world a fact that gives it a sense of isolation and vulnerability. as it was indic...

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