نتایج جستجو برای: vitro

تعداد نتایج: 408043  

ژورنال: :مجله دانشگاه علوم پزشکی مازندران 0
حجت اله یوسفی منش hojatolla yoosefi manesh department of priodentology, faculty of dental medicine, jondi shapour university of medical sciences, ahvaz, iranاهواز دانشگاه علوم پزشکی جندی شاپور اهواز، دانشکده دندانپزشکی، بخش پریودنتولوژی پرویز ترک زبان parviz tork zaban department of priodentology, faculty of dental medicine, hamedan university of medical sciences, hamedan, iranگروه پریودنتولوژی، دانشکده دندانپزشکی، دانشگاه علوم پزشکی همدان داوود حبیبی davood habibi department of, hamedan bo-ali university, hamedan, iranگروه شیمی، دانشگاه بوعلی همدان مریم رباتی maryam robati department of oral diseases, faculty of dental medicine, jondi shapour university of medical sciences, ahvaz, iranگروه بیماری های دهان، دانشکده دندانپزشکی، دانشگاه علوم پزشکی جندی شاپور اهواز

سابقه و هدف: کلرهگزیدین (chx) هنوز به عنوان استاندارد طلایی عوامل ضد پلاک در نظر گرفته می شود. مشکل اصلی کلرهگزیدین طعم آن و رنگ پذیری دهان ودندان است. برای رفع این مشکل زمان زیادی مورد نیاز می باشد.این مطالعه به منظور تعیین اثر افزودن ترکیب پلی وینیل پیرولیدون به دهان شویه کلرهگزیدین واثر آن بر حفظ کارآیی و کاهش رنگ پذیری دهان شویه کلرهگزیدین می باشد. مواد و روش ها: این مطالعه به صورت بالینی (...

Journal: :journal of agricultural science and technology 2010
f. raouf fard a. moieni r. omidbaigi

periwinkle (vinca minor l.) is an evergreen perennial herbaceous plant that belongs to the family apocynaceae. the aerial part of this plant contains certain alkaloids such as vincamine, isovincamine and vincine. the most important of these is vincamine that re-duces blood pressure and promotes memory and the ability for mental concentration. mi-cropropagation could be a good alternative for th...

Journal: :journal of agricultural science and technology 2014
s. k. tahami e. chamani n. zare

for half a century, the limitations of obtaining cross-combinations in lilies because of the incompatibility and incongruity between different varieties have been known. somatic hybridization is one of the most powerful tools for achieving distant interspecific hybrids. for this purpose, protoplast preparation is a first and important step in efficient system for the regeneration of plants from...

Journal: :journal of agricultural science and technology 2013
s. karimpour g. h. davarynejadur a. bagheri a. tehranifar

two experiments were performed for in vitro establishment, proliferation and shoot growth in axillary bud explants of sebri pear cultivar. in the first experiment, the effect of different concentrations of iba(indole-3-butyric acid) on explants’ establishment was evaluated. in a second experiment, the influence of several combinations of pgrs (plant growth regulators)on shoot proliferation and ...

ژورنال: :مجله علوم کشاورزی ایران 1998
علی ایمانی علیرضا طلایی

اکثر ارقام تجارتی بادام خودناسازگار هستند. ازاین روبرای داشتن محصول کافی بادام عمل ذکر کرده افشانی و بدنبال آن تلقیح و تشکیل میوه ضرورت تام دارد. قسمت خوراکی میوه بادام بذر آن است که در اثر تلقیح بوجود می آید. لذا وجود دانه گرده زنده و سازگار درموقع گرده افشان الزامی است. بنابراین اطمینان از احتمال تنژیدن کافی دانه گرده در برنامه های بهنژادی ومطالعات گرده افشانی بادام‘ حائز اهمیت می باشد. بدین ...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2014
azadeh abedi leila rouhi abdollah ghasemi pirbalouti

background & aim: considering that antioxidants are known as effective free radicals scavenger, it may be able to improve the in vitro oocyte maturation and the fetal quality. this study was designed to determine the effect of gundelia tournefortii leaves (gte) hydro-alcoholic extract as a source of antioxidant on in vitro oocyte maturation. experimental: germinal vasicle (gv) were recovere...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2015
marzieh khodabande leila rouhi abdollah ghasemi pirbaluti

background & aim: oocytes in vitro maturation is an enormously promising technology for the treatment of infertility, yet its clinical application remains limited owing to poor success rates. therefore this study was designed to determine the effect of gundelia tournefortii root hydro alcoholic extract as a source of antioxidant on in vitro oocyte maturation. experimental: in this study, th...

Journal: :iranian journal of biotechnology 2007
pegah khosravi maryam jafarkhani kermani gorban ali nematzadeh mohammad reza bihamta

interactive effect of plant growth regulators6-benzylaminopurine (bap) (0, 2, 4 and 8 µm) and1-naphtalene acetic acid (naa) (0, 0.05, 0.25 and 0.5µm) in van der salm (vs) medium was used to optimize in vitro propagation of rosa hybrida cv. iceberg.shoot proliferation and number of new leaves weremeasured as growth indicators. as the concentrationof bap was raised, growth rate increased with all...

Journal: :iranian journal of applied animal science 2015
a. moharrery

the effects of pre-treating different types of roughages with alkali on the efficacy of exogenous fibrolytic enzymes for improving their digestibility were studied in vitroin factorial arrangement 4 × 3 × 5 (enzyme, treatment and roughage types). two fibrolytic feed enzymes novozyme (n) and celloclast (c) their combination (n+c) were evaluated for their potential to improve in vitrodegradation ...

Journal: :journal of ornamental plants 2015
kshitij kumar i. u. rao

plant tissue culture refers to growing and multiplication of cells, tissues and organs of plants on defined solid or liquid media under aseptic and controlled environment. micropropagation allows rapid production of high quality, disease-free and uniform planting material. the micropropagation of high quality planting materials of ornamentals, and forest and fruit trees has created new opportun...

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