نتایج جستجو برای: toxin a and b

تعداد نتایج: 20426597  

M. Poormontaseri S. Hosseinzadeh, S. S. Shekarforoush

Botulism is a serious paralytic disease caused by Clostridium botulinum toxin in foods. There are seven recognized serotypes of botulinum neurotoxins among which the principal prevalent types in humans include A, B and E. Infant botulism results from intestinal colonization and toxin production by C. botulinum spores in babies less than 1 year old. Honey is the most important food discriminated...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1391

the skill of reading in english as a foreign language is an important and challenging one which is affected both by linguistic and extra linguistic factors. since vocabularies are part and parcel of every reading comprehension text, knowing enough vocabulary always facilitates this process. however, guessing strategy as one of the most important strategies has consistently ignored by language l...

Journal: :مجله بین المللی زیست و زیست پزشکی 0
nariman shariatpanahi saveh, iran reza pilehchian langroudi po. box 31375-1658, karaj, alborz, iran

clostridium perfringens is a gram-positive, obligate anaerobic bacterium, which is widely distributed in the environment. c. perfringens is subdivided to 5 groups (types a to e), based on its four major toxin (alpha, beta, epsilon and iota). c. perfringens type b beta toxin causes inflammation and bloody necrotic enteritis. type b related enterotoxaemia is a major problem of veterinary sciences...

Journal: :دامپزشکی 0
مجتبی سعادتی دانشگاه علوم پزشکی بقیه ا... (عج)- مرکزتحقیقات بیوتکنولوژی کاربردی و محیط زیست مهدی کمالی دانشگاه علوم پزشکی بقیه ا... (عج)- مرکزتحقیقات بیوتکنولوژی کاربردی و محیط زیست محمدباقر صالحی دانشگاه علوم پزشکی بقیه ا... (عج)- مرکزتحقیقات بیوتکنولوژی کاربردی و محیط زیست محمود تولایی دانشگاه علوم پزشکی بقیه ا... (عج)- مرکزتحقیقات بیوتکنولوژی کاربردی و محیط زیست غلامرضا اولاد گروه علوم زیستی، دانشگاه امام حسین(ع) محسن موسوی شوشتری مؤسسه سرم و واکسن سازی رازی کرج

clostridium perfringens is a part of the microflora of soil, and many reports have revealed the widespread occurrence of this organism in raw and processed foods. c. perfringens is classified into five types (types a to e), depending upon their ability to express alpha, beta, epsilon, and iota toxins in this study, a multiplex polymerase chain reaction (pcr) assay was developed for detection of...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده علوم تربیتی و روانشناسی 1393

the purpose of this study was to investigate the relationship between teachers’ class management practices with students’ self- regulated learning and academic self-efficacy. in this study relating to the management class, three dimensions, (training management, people management and behavior management) and three style (interventionist, interactionist and non-interventionist) was considered. r...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت معلم تهران - دانشکده علوم 1370

determination of uranium in natural water and complex solutions using ion exchange chromatography: a combined procedure using ion exchange chromatography and uv-vis spectrophotometry techniques has been developed to measure uranum in natural water and complex solutions. after conditicing , one hundred milli liters of sample solutions have been passed through an ion exchange column,pachked with ...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و علوم انسانی 1392

in this study, the relationship between teachers’ creative and critical thinking skills and their reflectivity in teaching was investigated. to this end, three questions were raised. these questions were intended to determine whether there was a significant relationship between teachers’ creative thinking skills and their reflectivity in teaching; whether there was a significant relationship be...

ژورنال: طب جنوب 2020
Maryamabadi , Ammar, Mohebbi , Gholam Hossian, Nabipour , Iraj,

Although the widespread distribution of venomous marine worms around the world, the structural and toxinologcal studies of their toxins are still limited.This study was aimed to evaluate the toxicity of poisonous marine worms. Touching the cilium of Chloeia flava and Sipuncula marine worms cause painful inflammation of the skin. Many species of nemertines prey their victims by a flexible prob...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده ادبیات و علوم انسانی 1392

this study investigates the relationships between iranian efl teachers’ perfectionism, burnout and their teaching style preferences, and also the difference between male and female efl teachers and their teaching style preferences. to this end, a sample of 99 efl teachers (46 males and 53 females), who had years of teaching experience, were selected. the measurement scales used in this study we...

Journal: :modares journal of medical sciences: pathobiology 2010
farideh doctorzadeh morteza sattari zohair mohammad hassan maryam zarrin ghalam moghadam

objective: verotoxin is a member of shiga toxin family. this family contains ab protein toxins with an enzymatic (a) and a binding (b) compartment. cells that have receptor (gb3) are sensitive to cytotoxic effects of toxin. it has been shown that various tumor cells have gb3 receptor and are selectively sensitive to apoptotic effect of verotoxin. studies on tumor cell lines and laboratory anima...

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