نتایج جستجو برای: vivo

تعداد نتایج: 331386  

Journal: :iranian endodontic journal 0
shahriar shahi associate professor, dental and periodontal disease research center, faculty of dentistry, tabriz university of medical sciences, tabriz, iran. saeed rahimi associate professor, department of endodontics, faculty of dentistry, tabriz university of medical sciences, tabriz, iran. amin salem milani assistant professor, dental and periodontal disease research center, tabriz university of medical sciences, tabriz, iran. researcher, iranian center for endodontic research, shahid beheshti university of medical sciences, tehran, iran. mohammad asghari jafarabadi assistant professor, department of statistics and epidemiology, faculty of health and nutrition, tabriz university of medical sciences, tabriz, iran. gholam reza djoorabbaf naghsh dentist

introduction: determination of the canal working length with radiographs has many drawbacks. electronic apex locators have been developed to overcome some of these problems. recently, a newly designed apex locator called novapex has been introduced. all the studies conducted to determine the accuracy of novapex have been carried out in-vitro on extracted teeth. the aim of this in vivo study was...

Journal: :avicenna journal of phytomedicine 0
ramachandran kannadhasan research associate, dr.c.l.baid metha foundation for education and research, thoraipakkam, chennai-600 097, tamil nadu, india subramaniam venkataraman research associate, dr.c.l.baid metha foundation for education and research, thoraipakkam, chennai-600 097, tamil nadu, india

objective: the role of herbs against the free radicals have been put forth recently in combating many diseases. the aim of this study was to elucidate the in vitro capacity and in vivo antioxidant properties of sedimental extract of tinospora cordifolia (setc). materials and methods: setcwas subjected to in vitro chemical analysis such as 1,1-diphenyl-2-picrylhydrazyl (dpph), nitric oxide, hydr...

Journal: :medical journal of islamic republic of iran 0
a a. khoshbaten from the department of physiology and biophysics. baghiyatollah university of medical sciences, tehran, i.r.lran wr ferrell the institute of physiology. university of glasgow, g12 8qq. scotland.

previous in vitro work on rabbit knee joint vessels showed that vasoconstrictor effects of nerve stimulation and administration of α-adrenoceptor agonists were mediated predominantly by α1-adrenoceptors5,9 the present experiments were performed to assess the nature of α-adrenoceptor subtypes within these blood vessels in vivo. dose/response relationships for adrenaline and noradrenaline produce...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی تهران 1372

یکی از مهمترین عوارض جانبی بسیاری از داروها، عوارض خطرناک خونی آنها می باشد. عوارض خونی، زمانی خطر بیشتری می یابند که سلولهای بنیادین در معرض خطر قرارگیرند . شناخت اثرات خونی، بخصوص برای داروهایی که به تازگی، سنتز شده و وارد درمان خواهند شد، بسیار مهم است . مشتقات جدید تریازول با اثرات ضداسپرمی، براساس مطالعات پیشینه شناسی sar , (bibliography) اثرات خونی نامطلوب نخواهد داشت ولی اثبات این امر، ا...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پزشکی 1389

تغییرات ضربان قلب (heart rate variability) در طی التهاب سیستمیک کاهش پیدا می کند، امّا مکانیسم آن ناشناخته است. این مطالعه به منظور بررسی اثرات محیطی و مرکزی اینترلوکین6 به عنوان یکی از سایتوکاین های تولید شده در شرایط التهاب سیستمیک بر روی تغییرات ضربان قلب انجام شد. بدین منظور مطالعات مولکولی، in vitro و in vivo بر روی موش های balb/c نر طراحی و انجام شدند. با مطالعات مولکولی نشان داده شد که mr...

In vivo and in vitro sublethal exposure of abrin, glycyrrhizin (active component of Abrus precatorius seed and root), sanguinarine, protopine (Argemone mexicana seed) and oleandrin (Nerium indicum leaf) inhibited the acetylcholinesterase, lactic dehydrogenase, acid and alkaline phosphatase activity in the nervous tissue of Lymnaea acuminata. The succinic dehydrogenase activity in the nervous ti...

Background: Treatment of leishmaniasis is a challenge due to problems such as high price and dose of the drug, drug resistance and side effects. Objective: The study aims to introduce plants compounds, which their antileishmanial effects were approved in vivo conditions. Methods: This study as a review article was performed by searching the keywords of “medicinal plants with in vivo antileishma...

Introduction: One of the useful standard quality assurance techniques in radiation therapy is monitoring entrance doses in in-vivo dosimetry. An overall tolerance limit of 5% of the absorbed radiation dose has been recommended by the International Commission of Radiological Units. The implementation of an in vivo dosimet...

Khalili MA Omidi M,

Background: The meiotic spindle plays an important role in the oocyte during chromosome alignment and separation at meiosis. The zona pellucid (ZP) is a dynamic matrix composed of filaments with the properties that might reflect the history of oocyte cytoplasmic maturation. Since, spindle and ZP in living oocytes are highly birefringent, their structures can be viewed noninvasively by using a P...

Journal: :journal of agricultural science and technology 2012
s. a. safavi

entomopathogenic fungi produce secondary metabolites which may bioactively help fungus in its virulence toward insect hosts. beauveria bassiana produces several toxic low molecular compounds in vitro as well as in vivo, the most important of them is beauvericin. the beh isolate of the fungus was selected for beauvericin assay. beauvericin was obtained from surface and submerged cultures of the ...

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