نتایج جستجو برای: 1 and 1 ms

تعداد نتایج: 17244400  

حاتمی, روح الله, رنجبر, غلامعلی, کاظمی تبار, سید کمال ,

In present experiment callus induction and plantlet regeneration of four sesame varieties (Oltan, Yekta, Varamin and Single Branch Naz) have been considered in different environments with different hormone combinations. In order to evaluate callus induction, after surface sterilization of seeds, diploid embryos were isolated and cultured on related media enriched with 1.5, 2, 2.5 and 3 mg l-1 2...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد یزد - دانشکده شیمی 1392

in this study, a simple, rapid and selective method was developed for the determination of dexamethasone. the proposed method is based on inhibitory effect of dexamethasone on the oxidation of orange-g by bromate in sulfuric acid media. the reaction was followed spectrophotometrically at 478.5 nm (?max). under optimum experimental conditions, (72.6 ?mol l-1 of orange-g, 0.76 mol l-1 of h2so4, 0...

Journal: :medical journal of islamic republic of iran 0
bahareh laribi research center of immunology, iran university of medical sciencestehran, iran, p.o.box: 14155-5983سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: research center of immunology masuomeh bakhshayesh iran university of medical sciences, tehran, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) samileh nourbakhsh hazrate rasoul hospital iran university of medical sciences, tehran, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: hazrate rasoul hospital mojdeh ghabaee center of neurological research, imam khomeini hospital, tehran university of medical sciences, tehran, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)سازمان های دیگر: center of neurological research majid ghaffarpour center of neurological research, imam khomeini hospital, tehran university of medical sciences, tehran, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)سازمان های دیگر: center of neurological research mehdi shekarabi research center of immunology, iran university of medical sciences, tehran, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: research center of immunology

abstract   background: multiple sclerosis (ms) is the most common autoimmune disease of central nervous system with destruction of myelin sheath mediated by auto reactive cd4+ t lymphocytes. because of the possible role of epstein-barr virus in etiology of ms and t cells immune response, the aim of this study was to evaluate anti-epstein barr virus antibodies as a marker of reactivity and produ...

A Nasrollahnezhad Qomi , A Qaderi , H Naghdi Badi , S Navabpour , S Salek Hashemi ,

Background: Ferulago angulata is an important medicinal plant and endemic to Iran which is an endangered Plant. Objective: The aim of this study was to achieve an efficient method for propagation of this plant and evaluation of essential oil content and composition in habitat. Metthods: Essential oils were extracted by hydrodistillation using Clevenger-type apparatus and its composition was ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده علوم پایه 1390

abstract the cr(iii) and zn(ii) complexes with 2-((9,10-dihydro-1-hydroxy-9,10-dioxaanthracen-4-yloxy)carbonyl)benzoic acid as ligand have been prepared by reacting cr(no3) and zn(no3)2 and ligand in cloroform. the cr and zn complexes with 2-((9,10-dihydro-1-hydroxy-9,10-dioxaanthracen-4-yloxy)carbonyl) were also prepared in chloroform and aceton solutions. the uv-visible and ft-ir spectra of...

    Abstract   Background: Multiple sclerosis (MS) is the most common autoimmune disease of central nervous system with destruction of myelin sheath mediated by auto reactive CD4+ T Lymphocytes. Because of the possible role of Epstein-Barr virus in etiology of MS and T cells immune response, the aim of this study was to evaluate anti-Epstein Barr virus antibodies as a marker of reactivity and p...

Apple is one of the most important temperate-zone fruit trees in the world. Micropropagation of apple scion and rootstocks is an important method of rapid production of healthy and disease-free plants. In this research, in vitro propagation of three apple roottocks including Azayesh-Esfahan, Morabbaee-Mashhad and M9 was investigated. Shoot proliferation carried out in two basal media (MS and WP...

Journal: :به نژادی گیاهان زراعی و باغی 0
بهمن حسینی دانشیار گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه ارومیه، ارومیه - ایران مهسا امین نژاد دانشجوی کارشناسی ارشد فیزیولوژی و اصلاح گیاهان دارویی، گروه باغبانی، دانشکده کشاورزی، دانشگاه آزاد اسلامی واحد علوم و تحقیقات، تهران - ایران

in order to study, in vitro bud induction and shoot regeneration of different explants (shoot tip, axillary bud, hypocotyl and cotyledon) of henbane on ms medium enriched with various concentrations of kinetin (0, 1, 3 and 5 mg.l-1) alone or in combination with indole-3 acetic acid (0, 0.1 and 0.5 mg.l-1) this research was investigated in urom zist tak knowledge-based company plant tissue cultu...

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