نتایج جستجو برای: polythylene oxide

تعداد نتایج: 176337  

Journal: :international journal of nanoscience and nanotechnology 2010
m. movahedi , a. r. mahjoub i. yavari e. kowsari

in this paper, synthesis of the flower-like zinc oxide was performed using microwave assisted dicationic ionic liquid [mmp(im)2 ]br2 . the polycrystalline flower-like zinc oxide nanostructure was obtained when a suitable mole ratio (ionic liquid /zinc acetate) and short duration microwave was used. x-ray diffraction (xrd), scanning electron microscopy (sem), and photoluminescence (pl) spectra w...

Journal: :تحقیقات نظام سلامت 0
رویا ناطقی دانشجوی کارشناسی ارشد، گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی زنجان، زنجان، ایران. غلامرضا بنیادی نژاد دانشجوی کارشناسی ارشد، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. محمد مهدی امین دانشیار، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. علی اسدی استادیار، گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی زنجان، زنجان، ایران.

background: in this study, adsorbentn process performance was assessed using nickel oxide nanoparticles for wastewater treatment containing mono azo orange ii dye in a laboratory scale. methods: the effects of various factors such as adsorbent dosage, contact time, ph and initial dye concentration were investigated. findings: based on the obtained results, the optimum ph range to dye removal is...

ژورنال: افق دانش 2022

Aims In recent years, iron oxide nanoparticles have shown incredible possibilities in biomedical applications due to their non-toxic function in biological systems. Furthermore, these nanoparticles have multifunctional applications, such as antibacterial, antifungal, and anticancer effects in medicine due to their magnetic properties.  Methods & Materials In this article, 49 articles related t...

In order to study the effects of supplementary irrigation and nano iron oxide on  the grain yield, and  some physiological and biochemical traits of wheat (Triticum aestivum L.) under rain fed conditions, a factorial experiment was conducted based on a  randomized complete block design with three replications in Agricultural Research Station of Ardabil, Northwest of Iran, in 2016. Factors inclu...

Journal: :iranian journal of medical sciences 0
reyhaneh kheyri department of toxicology and pharmacology, faculty of pharmacy, tehran university of medical sciences, tehran, iran mohammad kazem koohi department of basic sciences, faculty of veterinary medicine, university of tehran, tehran, iran goudarz sadeghi-hashjin pharmacology section, faculty of veterinary medicine, university of tehran, tehran, iran hadiseh nouri pharmacology section, faculty of veterinary medicine, university of tehran, tehran, iran noushin khezli pharmacology section, faculty of veterinary medicine, university of tehran, tehran, iran mohsen aghamohammad hassan department of chemistry, faculty of sciences, payame noor university, tehran, iran

iron oxide is an important biological agent that has a key role in medical processes; however, the mechanism whereby it provides iron for human and animal cells and its biological uses remains unclear. we aimed to evaluate the effects of oral iron oxide on serum iron status and compare the results with those of iron sulfate as a reference salt. fifteen adult rabbits were divided into 3 groups o...

Journal: :iranian biomedical journal 0
ایرج امیری iraj amiri علیقلی سبحانی aligholi sobhani فرید ابوالحسنی farid abolhassani اسکندر امیدی نیا eskandar omidinia محمد اکبری mohammad akbari مرضیه فریمانی marzieh farimani

clinical studies have shown that in pathological conditions such as endometriosis and reproductive tract infection (male and female) there is an activation status of macrophages that produce large quantities of nitric oxide (no) in addition to other effector molecules. large amounts of no may have embryotoxic roles and produce infertility. this study was designed to evaluate the effect of diffe...

Journal: :iranian endodontic journal 0
maryam zare jahromi associate professor of endodontics, dental school, islamic azad university of medical sciences, khorasgan branch, isfahan, iran amir arsalan navabi 2. postgraduate student, islamic azad university of medical sciences, khorasgan branch, isfahan, iran mahsa ekhtiari general dentist

introduction: intrinsic tooth discolorations after endodontic treatment are principally attributed to the composition of necrotic pulp tissue, hemorrhage within the pulp cavity, endodontic medicaments and/or filling materials. residual sealer left in pulp chamber after obturation can cause discoloration. the objective of this in vitro study was to evaluate coronal discoloration created by ah26 ...

Journal: :international journal of reproductive biomedicine 0
leyla fath bayati marefat ghaffari novin fatemeh fadaei fathabadi abbas piryaei mohammad hasan heidari mozhgan bandehpour

background:   objective: the aim of this study was to evaluate the expression of enos in the fts of women with tep.   materials and methods: in this case-control study, a total number of 30fts samples were obtained from three groups including: 10 fts of women that bearing an ep, 10 fts from the non-pregnant women at luteal phase of the menstrual cycle, and 10 fts of healthy pregnant women (n=10...

Journal: :iranian biomedical journal 0
ایرج امیری iraj amiri نسرین شیخ nasrin sheikh رضوان نجفی rezvan najafi

evidence supports the involvement of nitric oxide (no) in a varity of male reproductive processes such as spermatogenesis, spermiogenesis, sperm motion, sperm metabolism and sperm capacitation. however, low concentration of no is essential in biology and physiology of spermatozoa, but high amounts of no is toxic and has negative effects on sperm functions. on the other hand, it is established t...

Journal: :iranian journal of medical sciences 0
mohammad reza haydari cardiovascular pharmacology research lab, department of pharmacology, school of medicine, shiraz university of medical sciences, shiraz, iran; and department of pharmacology, school of medicine, shiraz university of medical sciences, shiraz, iran mohammad reza panjeshahin cardiovascular pharmacology research lab, department of pharmacology, school of medicine, shiraz university of medical sciences, shiraz, iran elaheh mashghoolozekr cardiovascular pharmacology research lab, department of pharmacology, school of medicine, shiraz university of medical sciences, shiraz, iran; and department of pharmacology, school of medicine, shiraz university of medical sciences, shiraz, iran ali akbar nekooeian cardiovascular pharmacology research lab, department of pharmacology, school of medicine, shiraz university of medical sciences, shiraz, iran; and department of pharmacology, school of medicine, shiraz university of medical sciences, shiraz, iran

background: hawthorn species decreases blood pressure and relaxes precontracted vessels. this study aimed at examining the antihypertensive effect and related mechanisms of hydroalcoholic extract of crataegus azarolus subspecies aronia fruit in rats with renovascular hypertension. methods: six groups of male sprague-dawley rats, each containing 6 to 8 rats, were studied. the groups comprised of...

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