نتایج جستجو برای: organonitrogen compounds

تعداد نتایج: 226669  

Journal: :مجله علوم اعصاب شفای خاتم 0
robabeh jafari shefa neuroscience research center, khatam-al-anbia hospital, tehran, iran beheshteh azhdari department of marine chemistry, faculty of basic sciences, university of chabahar maritime and marine sciences, chabahar, iran maryam jafari department of parasitology and mycology, school of medicine, shiraz university of medical sciences, shiraz, iran zahra aeini shefa neuroscience research center, khatam-al-anbia hospital, tehran, iran sara abdolahi shefa neuroscience research center, khatam-al-anbia hospital, tehran, iran ali jahanbazi jahan abad shefa neuroscience research center, khatam-al-anbia hospital, tehran, iran

extensive research in the last decade has defined that most chronic diseases display dysregulation of multiple cell signaling pathways that have been linked to inflammation. neuroinflammation is reaction of living nervous tissue to injury. it may be initiated in response to neurological disease. including infection, traumatic brain injury, toxic metabolites and autoimmunity. the natural compoun...

Journal: :jundishapur journal of natural pharmaceutical products 0
mohaddese mahboubi microbiology group, medicinal plants research center of barij essence, ir iran +98-8664362112, [email protected];[email protected]; microbiology group, medicinal plants research center of barij essence, ir iran +98-8664362112, [email protected];[email protected] nastaran kazempour microbiology group, medicinal plants research center of barij essence, ir iran +98-8664362112, [email protected];[email protected] ali reza boland nazar agricultural group, medicinal plants research center of barij essence, ir iran

background scrophularia striata (scrophulariaceae family) is an herbaceous plant that is traditionally used for treatment of microbial infections. objectives antimicrobial and antioxidant activity of different extracts (methanolic, ethanolic, aqueous and ethyl acetate) from s. striata aerial parts was evaluated. materials and methods the antimicrobial activity of different extracts from s. stri...

Journal: :علوم و تکنولوژی پلیمر 0
ایمان شعبانی اعظم جلالی آرانی هادی رمضانی داخل

in this work, leather fibers were employed as a component of elastomeric compounds based on nbr, cr and epdm and studied were made on their effects upon curing characteristics and mechanical properties of the prepared compounds. evaluation of curing characteristics of the compounds demonstrated that leather fibers have no considerable effect on initial viscosity and curing time of the compounds...

Journal: :progress in biological sciences 2014
mohammad ali tajick hamideh seid mohammad khani valiollah babaeizad

microorganisms are important components of soil. some soil filamentous fungi such aspenicilium produce many bioactive small molecules, or secondary metabolites, that range frombeneficial bioactive compounds to harmful toxins. in this study, the metabolites of threepenicillium species (p. goditanum, p. moldavicum and p. corylophilum) were extracted byadding ethyl acetate to liquid cultures. the ...

Journal: :iranian red crescent medical journal 0
soheila moein department of biochemistry, faculty of medicine and research center for molecular medicine, hormozgan university of medical sciences, ir iran mahmoodreza moein medicinal plants research center and department of pharmacognosy, faculty of pharmacy, shiraz university of medical sciences, ir iran +98-7112424127, [email protected]; medicinal plants research center and department of pharmacognosy, faculty of pharmacy, shiraz university of medical sciences, ir iran +98-7112424127, [email protected] mohammad javad khoshnoud pharmaceutical sciences research center and department of toxicology and pharmacology, faculty of pharmacy, shiraz university of medical sciences, ir iran tahereh kalanteri medicinal plants research center and department of pharmacognosy, faculty of pharmacy, shiraz university of medical sciences, ir iran +98-7112424127, [email protected]

background there is an interest in finding new and safe antioxidants from natural sources such as medicinal plants. objectives the aim of this study was to evaluate the antioxidant activity of ten iranian medicinal plants extracts. materials and methods for antioxidant activity, the radical scavenging activity, reducing power and phenolic contents of ethanol plant extracts were determined. gall...

Pesticide residues in fruits and vegetables are one of the highest concerns of consumers who need food safety. In this study, forty-eight pesticide residues from different chemical structure including organochlorine, organophosphorus, organonitrogen, dicarboximides, strobilurin, triazine, pyrethroids and other chemical groups. in 85 fruits and vegetables were determined and confirmed by GC-MS. ...

عزیزی, محمد حسین, هادیان, زهرا,

سابقه و هدف: نظر به کاربرد گسترده سموم دفع آفات نباتی در کشاورزی و افزایش نگرانیهای مربوط به مخاطرات بهداشتی ناشی از وجود انواع باقیمانده سموم در محصولات کشاورزی، ارزیابی میزان باقیمانده انواع سموم آفت‌کش به روش کروماتوگرافی گازی- طیف سنجی جرمی در برخی از سبزیهای عرضه شده در میدان اصلی میوه وتره بار شهر تهران در سال 1384 انجام شد. مواد و روشها: تحقیق به روش توصیفی بر روی 30 نمونه خیار و گوجه ف...

Journal: :Microbiological reviews 1984
J B Robinson O H Tuovinen

METHYLATION OF MERCURY BY MICROORGANISMS ..................................... 96 Mechanism of Methylation of Mercury....................................................... 96 Methylmercury Formation Under Anaerobic Conditions ........................................ 97 Methylmercury Formation Under Aerobic Conditions .......................................... 97 Effects of HgS on Methylation o...

Journal: :jundishapur journal of natural pharmaceutical products 0
nahid pourreza department of chemistry, college of science, shahid chamran university, ahvaz, ir iran; department of chemistry, college of science, shahid chamran university, ahvaz, ir iran.

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