نتایج جستجو برای: toxin a and b

تعداد نتایج: 20426597  

Babak Barati, Firouz Ebrahimi, Shahram Nazarian

Background: Cholera toxin (CT), responsible for the harmful effects of cholera infection, is made up of one A subunit (enzymatic), and five B subunits (cell binding). The release of cholera toxin is the main reason for the debilitating loss of intestinal fluid. Inhibition of the B subunit (CTB) may block CT activity. Objective: To determine the effect of anti CTB-IgY against oral challenge with...

اصلانی, محمد مهدی, شاهچراغی, فرشته, مجدیان, جلال, نوبری, سامان, وحدانی, پرویز,

Botulism is a serious disease caused by botulinum toxin produced by the Clostridium botulinum, an anaerobic, gram positive, spore forming bacillus which exists in environment. In this article, we describe the foodborne botulism due to consumption of locally made cheese in two members of a family. Patients attended a clinical center with myasthenia, ptosis and dysphagia. The preliminary diagnosi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1387

boron nitride semiconducting zigzag swcnt, $b_{cb}$$n_{cn}$$c_{1-cb-cn}$, as a potential candidate for making nanoelectronic devices was examined. in contrast to the previous dft calculations, wherein just one boron and nitrogen doping configuration have been considered, here for the average over all possible configurations, density of states (dos) was calculated in terms of boron and nitrogen ...

Journal: :reports of biochemistry and molecular biology 0
mohammad moshiri pharmacodynamy and toxicology department, faculty of pharmacy, mashhad university of medical sciences, mashhad, iran fatemeh hamid department of laboratory medicine, varastegan institute for medical sciences, mashhad, iran leila etemad tel: +98 5137112611; fax: +0985137112596

seeds of the castor bean plant ricinuscommunis l (cb) contain ricin toxin (rt), one of the most poisonous naturally-occurring substances known. ricin toxin, a water-soluble glycoprotein that does not partition into the oil extract, is a ribosome-inactivating toxin composed of two chains, labeled a and b. severity of the toxicity varies depending on the route of exposure to the toxin. inhalation...

Journal: :مجله دانشگاه علوم پزشکی شهرکرد 0
علی میری ali miri biology dept., imam hossein university, tehran, iran; 2human genetic research center, baqiyatallah university of medical sciences, tehran, iran;مرکز تحقیقات زیست شناسی، دانشگاه جامع امام حسین(ع)، تهران، ایران جعفر سلیمیان jafar salimian chemical injuries research center, baqiyatallah university of medical sciences, tehran, i.r. iran. tel: 00982182482481,تهران- دانشگاه علوم پزشکی بقیه الله(عج- مرکز تحقیقات آسیب های شیمیایی- تلفن: 82482491-021، احسان رضایی ehsan rezai 1biology dept., imam hossein university, tehran, iran;4chemical injuries research center, baqiyatallah university of medical sciences, tehran, iran;4chemical injuries research center, baqiyatallah university of medical sciences, tehran, iran; 4chemical injuries research center, baqiyatallah university of medical sciences, tehran, iran;1مرکز تحقیقات زیست شناسی، دانشگاه جامع امام حسین(ع)، تهران، ایران4 مرکز تحقیقات بیوتکنولوژی کاربردی، دانشگاه علوم پزشکی بقیه الله (عج)، تهران، ایران غلامرضا اولاد gholamreza olad chemical injuries research center, baqiyatallah university of medical sciences, tehran, iran;مرکز تحقیقات بیوتکنولوژی کاربردی، دانشگاه علوم پزشکی بقیه الله (عج)، تهران، ایران مجتبی سعادتی mojtaba sadati biology dept., imam hossein university, tehran, iranمرکز تحقیقات زیست شناسی، دانشگاه جامع امام حسین(ع)، تهران، ایران محمد علی عارف پور ترابی mohammad ali arefpour-tehrani biology dept., imam hossein university, tehran, iranمرکز تحقیقات زیست شناسی، دانشگاه جامع امام حسین(ع)، تهران، ایران فرید عزیزی جلیلیان

background and aims: among the bacterial agents, the most common cause of diarrheal disease is entrotoxigenic escherichia coli. letal toxin b (ltb) subunit of lt toxin could induce six-month immunity. clostridium botulinum causes botulism disease. bont/a-hc toxin subunit could induce two years immunity against this disease. it seems that the immunogenicity potency of these two subunits may infl...

Fatemeh Hamid, Leila Etemad, Mohammad Moshiri,

Seeds of the castor bean plant Ricinuscommunis L (CB) contain ricin toxin (RT), one of the most poisonous naturally-occurring substances known. Ricin toxin, a water-soluble glycoprotein that does not partition into the oil extract, is a ribosome-inactivating toxin composed of two chains, labeled A and B. Severity of the toxicity varies depending on the route of exposure to the toxin. Inhalation...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده ادبیات و زبانهای خارجی 1391

this study was an attempt to investigate the effect of teaching meta cognitive strategies on iranian intermediate efl students speaking proficiency. in this study the researcher has employed metacognitive strategies taken from brown (2000) to teach speaking strategies to number of participants. the participants were intermediate students of shokouh language institute; they were divided into an ...

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