نتایج جستجو برای: in vitro techniques

تعداد نتایج: 17035263  

Journal: :jundishapur journal of natural pharmaceutical products 0
azita hedayati department of periodontics, shiraz university of medical sciences, shiraz, ir iran; department of periodontics, shiraz university of medical sciences, shiraz, ir iran. tel: +98-7116275784, fax: +98-7116275784 hengameh khosropanah department of periodontics, shiraz university of medical sciences, shiraz, ir iran abdollah bazargani department of bacteriology and virology, shiraz university of medical sciences, shiraz, ir iran molud abed department of periodontics, shiraz university of medical sciences, shiraz, ir iran amir emami department of bacteriology and virology, shiraz university of medical sciences, shiraz, ir iran

materials and methods the subjects included 27 male and 3 female patients with advanced chronic periodontitis. the mean age of the patients was 47.6 ± 2.0 years old. p. gingivalis was isolated from the samples and identified by various diagnostic tests, including gram staining, indol test, and fluorescent test. minimum inhibitory concentration (mic) of the essential oil against isolated p. ging...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زابل - دانشکده کشاورزی 1392

این پژوهش به منظور بررسی تغییرات ترکیبات شیمیایی و ارزش غذایی سیلوی علف خارشتر با افزودن آنزیم، اوره ملاس به روش in vitro و in situ انجام شد. بدین منظور علف خارشتر جمع آوری و جهت سیلو نمودن به قطعات 4-2 سانتی متری خرد گردید. سپس با استفاده از آنزیم به مقدار توصیه شده ( 3 گرم به ازای هر کیلوگرم ماده خشک) اوره( 5 درصد)، ملاس(10 درصد) قبل از سیلو مخلوط و درون سطل های 5 کیلویی پلاستیکی سیلو و بعد ا...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زابل - دانشکده کشاورزی 1391

این پژوهش به منظور بررسی تغییرات ترکیب شیمیایی و ارزش غذایی سیلاژ قصیل جو با افزودن درصد های مختلف اوره به روش in vitro و in situ انجام شد. بدین منظور علوفه قصیل جو در مرحله نیمه خمیری دانه ها در اردیبهشت ماه برداشت و جهت سیلو نمودن به قطعات 4 - 2 سانتی متری خرد گردید. سپس با چهار سطح اوره (0، 2، 4 و 6 درصد ماده خشک) مخلوط و در سطل های پلاستیکی 2 کیلوگرمی سیلو شدند. سیلو ها پس از 2 ماه باز شدند...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پزشکی 1390

یکی از مشکلات جدی در بیماران با سیروز کبدی، کاهش پاسخ دهی انقباضی قلب نسبت به محرکهای ادرنژیک است که آن را کادریومیوپاتی سیروزی می گویند. هیدروژن سولفاید یک نوروترانسمیتر گازی است که اخیرا نقش های فیزیولوژیک و پاتولوژیک را برای آن پیشنهاد می کنند. با توجه به اینکه این ماده درونزاد در سیستم قلبی و عروقی از راه آنزیمی تولید می شود ما دراین مطالعه به بررسی نقش این ماده درونزاد در ناهنجاری کرونوترو...

Journal: :journal of reproduction and infertility 0

background: vitrification has proven to be more effective than slow freezing methods to cryopreserve mammalian oocytes. the objectives of this study were to evaluate the effects of vitrification on immature and in vitro matured, denuded and cumulus compact goat oocytes and their subsequent fertilization. methods: oocytes were either cryopreserved as immature cumulus compact (imcc) (n=98 exp 1; ...

Journal: :international journal of reproductive biomedicine 0
mohammad hadi bahadori fatemeh ghasemian mina ramezani zakieh asgari

background: it is important to protect oocytes and embryos from oxidative stress in the culture medium. melatonin has been shown to be a direct free radical scavenger. objective: effect of melatonin during in vitro oocyte maturation, fertilization and embryo development of mouse oocytes was evaluated. materials and methods: oocytes from supper-ovulated mouse were divided to two groups: cumulus ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان 1392

in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...

Journal: :jundishapur journal of natural pharmaceutical products 0
farzad esavand heydari department of parasitology, faculty of medical sciences, tarbiat modares university, tehran, ir iran fatemeh ghaffarifar department of parasitology, faculty of medical sciences, tarbiat modares university, tehran, ir iran; department of parasitology, faculty of medical sciences, tarbiat modares university, p.o.box: 14115-331, tehran, ir iran. tel: +98-2182884553, fax: +98-2182884555 saied soflaei department of parasitology, faculty of medical sciences, tarbiat modares university, tehran, ir iran abdolhosein dalimi department of parasitology, faculty of medical sciences, tarbiat modares university, tehran, ir iran

results the results obtained for each drug were compared with other drugs and also with the results of the control groups. the results related to promastigote and amastigote assays showed that when the dose of both drugs increased, the parasite number is reduced in comparison with the control groups. moreover, the parasitic burden in the test cultures decreased significantly. macrophage assay r...

Journal: :journal of family and reproductive health 0
muhammad fakhrildin department of clinical reproductive physiology, ivf institute of embryo research and infertility tre

objective: to evaluate the efficacy of in vitro sperm activation (isa) using non-liquefied versus liquefied asthenozoospermic semen samples for improvement of sperm parameters. materials and methods: fifty six oligoasthenozoospermic (oa) patients (age range: 22-44 years; mean: 32.089 years) were enrolled in this study. oa patients were classified according to type of infertility. also, duration...

Journal: :مجله علوم اعصاب شفای خاتم 0
sajad sahab negah a. shefa neuroscience research center, khatam alanbia hospital, tehran, iran. b. histology and embryology group, basic science department, faculty of veterinary medicine, shiraz university, shiraz, iran. hadi aligholi shefa neuroscience research center, khatam alanbia hospital, tehran, iran. shahin mohammad sadeghi a. shefa neuroscience research center, khatam alanbia hospital, tehran, iran. b. department of plastic and reconstructive surgery, shahid beheshti university of medical sciences, tehran, iran. mostafa modarres mousavi shefa neuroscience research center, khatam alanbia hospital, tehran, iran.

traumatic brain injury (tbi) is caused by rapid deformation of the brain, resulting in a cascade of pathological events and ultimately neurodegeneration. in vitro models of tbi can help us to describe the pathobiological mechanisms. in vitro models of brain injury support a platform for performing repeatable, well-controlled, environmentally isolated experiments. other advantages of in vitro mo...

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