نتایج جستجو برای: agent
تعداد نتایج: 253278 فیلتر نتایج به سال:
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...
background: marginal seal has a principal role in durability and clinical success offissure sealants. the aim of this study was to compare the microleakage of two materials used as pit and fissure sealant with different methods of application. methods: the 55 extracted premolars were assigned randomly to one ofthe following five groups: group 1: acid-etching (ultra-etch) + fissure sealant (conv...
introduction: anesthetic agents, blood pressure, arterial ph and blood gases have found to influence on the pathophysiology of experimental stroke. despite, there are very few comparative studies about effects of anesthetic agents in animal model of cerebral ischemia. therefore, in this study, we investigated the effects of chloral hydrate and pentobarbital anesthesia, as comparative study, on ...
the purpose of this paper was to review the commercially available periodontal dressings, their physical and chemical properties, biocompatibility and therapeutic effects. electronic search of scientific papers from 1956 to 2012 was carried out using pubmed, scopus and wiley interscience search engines using the searched terms periodontal dressing, periodontal pack. numerous in vitro and in viv...
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