نتایج جستجو برای: induced

تعداد نتایج: 979848  

Journal: :international journal of occupational and environment medicine 0
l jahani department of occupational medicine, sadoughi university of medical sciences, yazd, iran ah mehrparvar department of occupational medicine, sadoughi university of medical sciences, yazd, iran m esmailidehaj department of physiology, shahid sadoughi university of medical sciences, yazd, iran me rezvani department of physiology, shahid sadoughi university of medical sciences, yazd, iran b moghbelolhossein department of occupational medicine, sadoughi university of medical sciences, yazd, iran z razmjooei department of occupational medicine, sadoughi university of medical sciences, yazd, iran

background: noise-induced hearing loss (nihl) is a common, irreversible occupational disease. statins have recently been proposed to prevent nihl. objective: to assess the effect of atorvastatin for the prevention of nihl in rats. methods: in this experimental study, forty 2–3-month-old wistar male rats were divided into 5 groups of 8 animals. 3 groups of rats received atorvastatin at doses of ...

Journal: :physiology and pharmacology 0
mohammad rasoul ghadami dept. of physiology, school of medicine, kermanshah university of medical sciences, kermanshah ali pourmotabbed dept. of physiology, school of medicine, kermanshah university of medical sciences, kermanshah

introduction: the cholinergic system plays an important role in learning and memory. administration of either extracts of crocus sativus (saffron) or its constituent, crocin, reduced ethanol-induced memory impairment. based on the above findings, we investigated the effect of crocin in antagonizing spatial learning and memory impairment induced by scopolamine, a cholinergic receptor antagonist,...

Journal: :iranian journal of pharmaceutical research 0
hossein hosseinzadeh pharmaceutical research center, department of pharmacodynamy and toxicology, school of pharmacy, mashhad university of medical sciences, 91775-1365, mashhad, iran. effat behravan department of pharmacodynamy and toxicology, school of pharmacy, mashhad university of medical sciences, mashhad, iran. mohammad m soleimani department of pharmacodynamy and toxicology, school of pharmacy, mashhad university of medical sciences, mashhad, iran.

pistacia vera l., a member of anacardiaceae family, has been used for sedation and analgesia in traditional medicine. in this study, the antinociceptive and anti-inflammatory effects as well as acute toxicity of the aqueous and ethanolic extracts of p. vera leaves were investigated in mice. the antinociceptive activity was studied using hot plate and writhing tests. the effect of the extracts a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علم و صنعت ایران 1379

در این رساله به ارزیابی عملکرد سیستمهای کنترل دیجیتالˆسیستمهای کنترل با نمونه برداری (sampled-data) پرداخته خواهد شد. بطور خاص ، روش pim (نگاشت سیستم ورودی یا plant input mapping) که تکنیکی جدید در طراحی کنترل کننده های دیجیتال با استفاده از طراحی بعمل آمده در زمان پیوسته است ، مورد بررسی دقیق قرار می گیرد. روش نامبرده دارای خاصیت استقنایی پایداری تضمین شده برای کلیه پریودهای نمونه برداری غیرمع...

پایان نامه :0 1391

چکیده: اینترلوکین 27il-27) (یک سایتوکاین جدید است که یکی از اعضای مشترک خانواده های اینترلوکین 12و 23 به حساب می آید و به وسیله سلول های عرضه کننده آنتی ژن (apcs) ترشح میشود. هترو دایمری شامل دو سابیونیت p28و(ebi3) epstein-barr-induced gene 3 است. مطالعات اخیر ظرفیت های جدیدی را برای il-27 از جمله تحریک خون سازی، افزایش بروز آنتی بادی یه وسیله سلول های عرضه کننده آنتی بادی آنتی بادی(apcs)، سرک...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی 1388

هدف از انجام این پژوهش مطالعه ی اثر عملیات حرارتی نیمه جامد و equal channel angular pressing(ecap) بر ساختار و خواص مکانیکی آلیاژ al-fe-si به منظورایجاد یک ساختار بهینه با خواص مناسب می باشد. برای کروی کردن دانه ها و افزایش چقرمگی در نمونه، نیاز به انجام عملیات حرارتی نیمه جامد در دما های بین دمای ذوب و انجماد برای مدت زمان های مشخص نگهداری در کوره است. پیش فرض شروع کروی شدن در این فرایند، که ب...

Journal: :medical journal of islamic republic of iran 0
mohammad-reza zarrindast from the department of pharmacology, faculty of medicine, tehran university of medical sciences, tehran, islamic republic of iran. yadollah khalenabi mohammad hossein pourgholami

intraperitoneal (ip) injection of bupropion (3,6, amine (4,16 mg kg•&apos;) induced dose-dependent climbing in mice. the climbing response induced by both drugs were decreased in animals pretreated either with the 0-1 antagonist sch 233<)0 or the 0-2 antagonist sulpiride. the α-adrenoceptor blocker phenoxybenzamine decreased the climbing induced by both bupropion and amphetamine, but the β-adre...

Journal: :physiology and pharmacology 0
sadegh valizadeh islamic azad univ- noshar and chalous branch, iran mohammad reza zarrindast

this study was designed to investigate the role of gabab receptor agents on imipramine-induced antinociception in ligated and non-ligated mice using hot-plate test. the data showed that different doses of morphine (3, 6, and 9 mg/kg) induced a dose-dependent antinociception in ligated and non-ligated mice. however, the opioid response was decreased in ligated animals. intracerebroventricular (i...

Journal: :avicenna journal of clinical microbiology and infection 0
milad latifi department of medical entomology, hamadan university of medical sciences, hamadan, ir iran mohammad yousef alikhani department of medical microbiology, hamadan university of medical sciences, hamadan, ir iran aref salehzadeh department of medical entomology, hamadan university of medical sciences, hamadan, ir iran mansour nazari department of medical entomology, hamadan university of medical sciences, hamadan, ir iran ali reza bandani department of plant protection, tehran university of medical sciences, tehran, ir iran amir hossein zahirnia department of medical entomology, hamadan university of medical sciences, hamadan, ir iran; department of medical entomology, hamadan university of medical sciences, hamadan, ir iran. tel: +98-9188115375

conclusions the study results showed that stimulation of the american cockroach’s immunity system lead to production of antibacterial proteins and peptides which had inhibitory effect on the bacteria, depending on the bacterial strains and their sensitivity. likely this feature of insects can be used as therapeutic strategies to produce natural antimicrobial compounds against the pathogenic bac...

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