نتایج جستجو برای: quantitative

تعداد نتایج: 315361  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده فنی 1393

(polymerase chain reaction (pcr) یک تکنیک پرکاربرد مولکولی است. با استفاده از تکنیک pcr می توان مولکول dna را به مقدار زیاد تکثیر نمود. pcr سنتز ویژه و نمایی یک ناحیه dna از پیش تعیین شده،است. واکنش های تکثیر pcr عموما بسیار ویژه اند، ویژگی با اتصال درست توالی ویژ? پرایمرها یا توالی های مکمل آنها در مولکول dna هدف تکثیر شونده تعیین می شود. روش های مختلفی جهت اندازه گیری غلظت dna وجود دارد که ا...

ژورنال: :مجله دانشگاه علوم پزشکی مازندران 0
مجتبی نبیلی m nabili طاهره شکوهی t shokohi department of parasitology & mycology, faculty of medicine, çellular and molecular research çenter, mazandaran üniversity of medical sciences, sari, ïranساری: کیلومتر 18 جاده خزرآباد، دانشکده پزشکی، گروه انگل شناسی و قارچ شناسی سیدمحمدباقر هاشمی سوته m.b hashemi soteh قاسم جانبابایی gh jan babaie سیدرضا عقیلی s.r âghili زهرا حسینی خواه z hoseinikhah

سابقه و هدف: آسپرژیلوزیس مهاجم عفونت فرصت طلب جدی ناشی از گونه های مختلف قارچ آسپرژیلوس است که اغلب در افراد دارای نقص سیستم ایمنی رخ می دهد. اساسا، تشخیص سریع و زودرس آن، از پیشرفت این عفونت قارچی جلوگیری بعمل می آورد. هدف از این مطالعه تعیین کمی و بهینه سازی dna آسپرژیلوس فومیگاتوس در خون با استفاده از تکنیک real time pcr بود.مواد و روش ها: پنج میلی لیتر خون داوطلب سالم را با رقت های مختلفی ا...

Journal: :ecopersia 2014
ali mohebbi mohammad jafari ali tavili seyed akbar javadi ehsan zandi esfahan

to compare the seed characteristics in accessions of atriplex canescens under exclosure and non-exclosure conditions, two even-aged sites were selected with an area of 400 ha as the exclosure and 1000 ha as non-exclosure area. to conduct the study, 30 species were randomly selected in autumn 2009 in reference area of the sites and seeds were collected. some important seed characteristics were s...

Journal: :journal of livestock science and technologies 2014
m. ahmadi a. k. esmailizadeh a. ayatollahi mehrgardi e. nasirifar

an f2 japanese quail population was developed by crossing two strains (wild and white) to map quantitative trait loci (qtl) for performance and carcass traits. a total of 472 f2 birds were reared and slaughtered at 42 days of age. performance and carcass traits were measured on all of the f2 individuals. parental (p0), f1 and f2 individuals were genotyped with 3 microsatellites from quail chrom...

Journal: :iranian journal of medical physics 0
hadis alvankar golpaygan neuro imaging and analysis group (niag), research center for molecular and cellular imaging (rcmci), tehran university of medical sciences, tehran, iran mohammad ali oghabian neuro imaging and analysis group (niag), research center for molecular and cellular imaging (rcmci), tehran university of medical sciences, tehran, iran seyed amir hossein batouli neuro imaging and analysis group (niag), research center for molecular and cellular imaging (rcmci), tehran university of medical sciences, tehran, iran arash zare sadeghi department of medical physics and biomedical engineering, faculty of medicine, tehran university of medical science, tehran, iran

introduction quantitative susceptibility mapping (qsm) is a new contrast mechanism in magnetic resonance imaging (mri). the images produced by the qsm enable researchers and clinicians to easily localize specific structures of the brain, such as deep brain nuclei. these nuclei are targets in many clinical applications and therefore their easy localization is a must. in this study, we aimed to i...

ژورنال: :فصلنامه دامپزشکی و آزمایشگاه 0
فاطمه صدرنیا، زیبایی، حق پرست

مقدمه و هدف: تب برفکی یک بیماری ویروسی می باشد، عامل آن ویروس fmdv است که یکی از کوچک ترین ویروس های حیوانی است که به خانواده پیکورناویریده و جنس آفتوویروس تعلق دارد. این بیماری نام های متعددی از قبیل infectiousaptheusstoomatiris، epizoticaphthae ، aphtousfever و اسامی محلی از جمله دباغ، دباغه، تب تاولی، دهان جوشه، شلی و... دارد. بیماری تب برفکی باعث کاهش شدید وزن، توقف تولید شیر، بی اشتهایی، ک...

Journal: :iranian journal of psychiatry 0
hamid behnam electrical engineering department, iran universities of science & technology, tehran, iran ali sheikhani department of biomedical engineering, islamic azad university, science and research –branch- tehran- iran maryam noroozian psychiatry and psychology research centre, roozbeh hospital, tehran university of medical science, tehran, iran mohammad reza mohammadi psychiatry and psychology research centre, roozbeh hospital, tehran university of medical science, tehran, iran

objective: to obtain abnormalities in quantitative electroencephalography qeeg) and to observe connectivity between electrodes in children with asperger disorder. method: in this study, spectrogram criteria and coherence values are used as a tool for evaluating qeeg in 15 children with asperger disorder (10 boys and 5 girls aged between 6 to 11 years old) and in 11 control children boys and 4 g...

Journal: :iranian journal of psychiatry 0
mohammad reza mohammadi psychiatry and psychology research centre (pprc), roozbeh hospital, tehran university of medical science, tehran, iran hamid behnam electrical engineering department, iran university of science & technology , tehran, iran ali sheikhani biomedical engineering faculty, islamic azad university, science and research branch - tehran - iran maryam noroozian psychiatry and psychology research centre (pprc), roozbeh hospital, tehran university of medical science, tehran, iran

objective: to evaluate the brain signals in children with autism disorder in many different conditions of quantitative electroencephalography (qeeg) recordings in order to highlight abnormalities and to characterize this group. method: in this study, spectrogram was used as a tool for evaluating qeeg in 15 children with autism disorders (13 boys and 2 girls aged between 6 to 11 years old) and i...

Journal: :Current Biology 1995
Peter D. Keightley

Recent studies with the fruitfly Drosophila suggest that alleles of loci known from classical genetics can make major contributions to continuous-trait variation.

2012
Sofia Strömbergsson

This report describes preliminary data from a study of how children with phonological impairment (PI) perceive automatically corrected versions of their own deviant speech. The results from 8 children with PI are compared to results of a group of 20 children with typical speech and language (nPI). The results indicate group differences only in tasks where the children make judgments of their ow...

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