نتایج جستجو برای: activity concentration

تعداد نتایج: 1440947  

Journal: :nanomedicine journal 0
fatemeh nakhjiri department of biology, payame noor university, iran mahboubeh mirhosseini department of biology, payame noor university, iran malihe alsadat mozaheb technical and vocational university of hazratroghayeh, yazd, iran

objective(s): silver nanoparticles (ag nps) are not only specific physical and chemical properties but also are considered for their antibacterial activity and ecofriendly.materials and methods:in this study a simple, cost effective biologically method for ag+reducing to ag nps using echinops extractas a stabilizer, and reducing agent.ag nps were analyzed using uv-vis spectrometry,tem, xrd and ...

Journal: :تولیدات دامی 0
پریسا یزدان شناس کارشناس ارشد گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران، تهران ـ ایران رعنا جهان بین کارشناس ارشد گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران، تهران ـ ایران عبدالله محمدی سنگ چشمه استادیار گروه علوم دام و طیور، پردیس ابوریحان، دانشگاه تهران، پاکدشت ـ ایران مهدی امین افشار استادیار گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران، تهران ـ ایران حسین واثقی دودران دانشجوی دکتری فیزیولوژی دام، دانشکده کشاورزی، دانشگاه تبریز حمید ورناصری دکتری تخصصی، شرکت نهاده‏های دامی جاهد، تهران ـ ایران محمد چمنی

this study aimed to investigate the effect of different concentration of zinc nano-complex on bull spermatozoa quality and pregnancy outcome after freeze-thawing process. ejaculates were collected from four holstein bulls, twice a week during four weeks. semen samples diluted with bioxcell extender containing zero (control), 10-6, 10-5, 10-4, 10-3 and 10-2 m of zinc nano-complex. the samples we...

Journal: :avicenna journal of phytomedicine 0
mojtaba shahnazi department of parasitology, qazvin university of medical sciences, qazvin, iran abbas azadmehr department of immunology, babol university of medical sciences, babol, iran robabeh latiffi department of parasitology, qazvin university of medical sciences, qazvin, iran reza hajiaghaee department of pharmacognosy & pharmaceutics department of medicinal plants research center, institute of medicinal plants, acecr, karaj, iran mehrzad saraei department of parasitology, qazvin university of medical sciences, qazvin, iran mahmood alipour department of social medicine, qazvin university of medical sciences, qazvin, iran

objective: hydatidosis is one of the most important zoonotic diseases and surgery is still the main treatment for this problem. one of the side effects of hydatid cyst surgery is recurrence, thus, searching and assessment of some new agents such as medicinal plant extracts are very important. in the present study, the scolicidal effect of ethanolic extract of ziziphora tenuior l. (z. tenuior) w...

Journal: :journal of agricultural science and technology 2015
e. aryakia m. r. naghavi z. farahmand a. a. h. shahzadeh fazeli

plant tissue culture technique could provide sterile and controllable condition in order to assay direct effect of different compounds on plant growth accurately. in this study, the effects of aqueous extracts prepared from roots and shoots of goosefoot (chenopodium album l.), redroot pigweed (amaranthus retroflexus l.), fennel (foeniculum vulgare), and wormwood (artemisia absinthium l.) were e...

Journal: :current medical mycology 0
seyedeh toktam sajjadi department of plant sciences, faculty of biological sciences, alzahra university, tehran, iran azra saboora department of plant sciences, faculty of biological sciences, alzahra university, tehran, iran parisa mohammadi department of microbiology, faculty of biological sciences, alzahra university, tehran, iran

background and purpose: candidiasis, an important fungal infection, is considered the fourth most common nosocomial blood stream infection. nowadays, because of increased fungal resistance to antibiotics, the use of herbal medicine has gained particular attention. cyclamen species are medicinal plants containing triterpenoid saponins, which are shown to have antimicrobial properties. materials ...

Journal: :international archives of health sciences 0
m. haghighi environmental health engineering department, health faculty, kashan university of medical sciences, kashan, iran f. rahmani chemical engineering faculty, sahand university of technology, sahand new town, iran r. dehghani social determinants of health (sdh) research center and department of environment health, kashan university of medical sciences, kashan, ir iranhealth engineering department, health faculty, kashan university of medical sciences, kashan, iran a. mazaheri tehrani social determinants of health (sdh) research center and department of environment health, kashan university of medical sciences, kashan, ir iranhealth engineering department, health faculty, kashan university of medical sciences, kashan, iran m.b. miranzadeh post address: qotb-e-ravandi avenue, pezeshk boulevard, kashan university of medical sciences, kashan, iran

abstract aims: the application of photocatalytic processes to remove heavy metals in aqueous solutions and industrial wastewater are regarded as extremely effective, clean and without producing waste methods. the goal of the present study was to investigate the photocatalytic activity of zno based on h-zsm-5 zeolite support. materials & methods: zno/h-zsm-5 composite synthesized by impregnation...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید