نتایج جستجو برای: s i l i c a

تعداد نتایج: 14200971  

Journal: :iranian journal of basic medical sciences 0
layasadat khorsandi cell & molecular research center, faculty of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran mahmoud orazizadeh cell & molecular research center, faculty of medicine, ahvaz jundishapur university of medical sciences, ahvaz, iran

objective(s) galectin-3 (gal-3) is a member of the b-galactoside-binding lectins which is expressed in a variety of tissues and plays a role in diverse biological events, such as embryogenesis, adhesion, cellular proliferation, and apoptosis. in this study, the presence and distribution of galectin-3 (gal-3) in the mouse testicular tissue was investigated. materials and methods eight adult nmri...

Journal: :acta medica iranica 0
kang soo kim richard n. terry shahpoor shahgoli

bl ood glucos e l evels meas ured a t half hour intervals in a series of 45 major s urgica l procedur es demonstrated a consis tent hyp er glycemi a during the course of operation . peaks were ass ociated with per iods of cardi a-vascular stress .. i n cont r ast , pat ients in whom autonomi c act ivi ty was inhibited by ganglionic blockade demonstra t ed a cons ist ent decrease in blood g luco...

Journal: :iranian biomedical journal 0
محمد هاشمی mohammad hashemi فاطمه کرمی تهرانی fatemeh karami-tehrani سعید قوامی saeed ghavami

cladribine, an analogue of deoxyadenosine, is highly toxic for both non-dividing and proliferating cells and has shown activity in the treatment of several malignancies. therefore, the aim of the present study is to investigate the cytotoxicity effect of cladribine (2-cda) on the breast cancer cell line, mcf-7 (estrogen receptor positive, er+). mtt assay, annexin v-fluorescein/pi and hoechst 33...

Journal: :the iranian journal of pharmaceutical research 0
saeed moradhaseli department of biochemistry, faculty of basic sciences, payame noor university, tehran, iran. abbas mirakabadi department of venomous animals and antivenom production, razi vaccine and serum research institute, karaj, iran. ali sarzaeem department of venomous animals and antivenom production, razi vaccine and serum research institute, karaj, iran. morteza kamalzadeh department of quality control, razi vaccine and serum research institute, karaj, iran. reza haji hosseini department of biochemistry, faculty of basic sciences, payame noor university, tehran, iran.

the biological application of nanoparticles (nps) is a rapidly developing area of nanotechnology that raises new possibilities in the treatment of human cancers. the cytotoxicity was evaluated by mtt and ldh assays. the apoptotic effect of free icd-85 and icd-85 nps on hela cells was assessed using caspase-8 colorimetric assay. the mtt assay showed that icd-85 nps could enhance the in-vitro cyt...

Journal: :the iranian journal of pharmaceutical research 0
mehrdad faizi department of pharmacology and toxicology, school of pharmacy, shahid beheshti university of medical sciences, tehran, iran. majid sheikhha department of medicinal chemistry, school of pharmacy, shahid beheshti university of medical sciences, tehran, iran. nematollah ahangar pharmaceutical sciences research center and department of toxicology/pharmacology, faculty of pharmacy, mazandaran university of medical sciences, sari, iran hamed tabatabaei ghomi department of medicinal chemistry, school of pharmacy, shahid beheshti university of medical sciences, tehran, iran. abbas shafiee department of medicinal chemistry, school of pharmacy, tehran university of medical sciences, tehran, iran. sayyed abbas tabatabai department of medicinal chemistry, school of pharmacy, shahid beheshti university of medical sciences, tehran, iran.

new derivatives of 2-[2-(2-chlorophenoxy)phenyl]-1,3,4-oxadiazole as candidates for agonistic effect on benzodiazepine receptors were synthesized. conformational analysis and superimposition of energy minima conformers of the novel compounds on estazolam, a known benzodiazepine agonist, revealed that the main proposed benzodiazepine pharmacophores were well matched. in pharmacological evaluatio...

Journal: :تحقیقات اقتصادی 0
علی طیب نیا دانشیار دانشکده‎ی اقتصاد دانشگاه تهران فاطمه قاسمی کارشناس ارشد اقتصاد دانشگاه تهران

this paper identifies characteristics of business cycles in iran, applying hodrick-prescott (hp) and band-pass (bp) filters. using seasonal and anual data for 1970-2003, it is found that oil income is the key driving factor of business cycles in the iranian economy. furthermore, it is indicated that iran's economy has experienced seven business cycles during this period, in which the econo...

Journal: :تولید گیاهان زراعی 0
جعفر نباتی شرکت فناوران بذر یکتا محمد کافی دانشگاه فردوسی مشهد سعید خانی‌نژاد دانشگاه فردوسی مشهد علی معصومی دانشگاه پیام نور محمد زارع مهرجردی موسسه آموزش عالی شیروان احسان کشمیری دانشگاه فردوسی مشهد

background and objectives: infunction of the photosynthetic apparatus of halophytes plays an important role in their salinity tolerance. kochia as a halophyte, is of high ability in biomass production in salinity stress conditions. thus study photosynthesis and the related factors salinity stress can provide appropriate physiological view for better understanding of the plant mechanisms of in s...

Journal: :سیاست 0
علیرضا سمیعی اصفهانی استادیار گروه علوم سیاسی دانشگاه یاسوج امران کیانی دانشجوی دکتری علوم سیاسی دانشگاه یاسوج

political islam is the only active religion discourse in the world claiming to have program for religion and the muslim world and to achieve this goal it must gain political power. from its existence the dialogue has triggered different experiences in islamic countries. the most important victory of the islamic revolution in iran in 1979 and egypt's muslim brotherhood movement was to seize...

Journal: :journal of medical education 0
a ramezanpour

background and purpose:   methods:   results:   conclusion:

Journal: :iranian journal of cancer prevention 0
mostafa rezaei-tavirani elham dolat hadi hasanzadeh samaneh-sadat seyyedi vahid semnani sara sobhi

abstract background: radiosensitizer drugs are used to enhance the efficiency of radiotherapy. some nanoparticles can be considered as radiosensitizers, because they enhance cytotoxicity due to oxidative stress and increase free radical yield, especially ros , within cells resulting to cell death. methods: in this study, synergistic effect of tio 2 nanoparticles was evaluated in presence of 60 ...

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