نتایج جستجو برای: ag nanopanicles
تعداد نتایج: 43574 فیلتر نتایج به سال:
With the aim of gauging their potential as conducting or superconducting materials, we examine the crystal structures and magnetic properties of the roughly one hundred binary, ternary, and quaternary Ag(II) and Ag(III) fluorides in the solid state reported up to date. The Ag(II) cation appears in these species usually in a distorted octahedral environment, either in an [AgF](+) infinite chain ...
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 ...
The CuNiCA nanopanicles have been synthesized by sol-gel auto-combusson. microwave and co-precipitationtechniques. Then, the results of the three techniques were compared. In the vol-ael auto-combustion synthesiswas used glycine as a fuel. At first, sol was prepared. Then, gel was achieved from drying so'. The prepared gelwas burnt at 350°C. In the noicrowavc technique, gel was prepared. Then, ...
the annihilator graph $ag(r)$ of a commutative ring $r$ is a simple undirected graph with the vertex set $z(r)^*$ and two distinct vertices are adjacent if and only if $ann(x) cup ann(y)$ $ neq $ $ann(xy)$. in this paper we give the sufficient condition for a graph $ag(r)$ to be complete. we characterize rings for which $ag(r)$ is a regular graph, we show that $gamma (ag(r))in {1,2}$ and...
conclusions silver nanoparticles have high therapeutic activity against mrsa, thus can be suggested as an alternative or adjuvant with antibiotics for mrsa treatment. further studies are required to understand the synergistic effect of ag-nps combinations and to assess the safety and efficacy of new antibiotic-ag-nps combinations. background methicillin-resistant staphylococcus aureus (mrsa) ar...
the aim of this short note is to introduce the concepts of prime and semiprime ideals in ordered ag-groupoids with left identity. these concepts are related to the concepts of quasi-prime and quasi-semiprime ideals, play an important role in studying the structure of ordered ag-groupoids, so it seems to be interesting to study them.
بررسی تنوع بیماریزایی در جمعیت قارچ rhizoctonia solani ، عامل بیماری سوختگی غلاف برنج در استان گیلان
قارچrhizoctonia solani ag-1 ia (تلئومورف thanatephorus cucumeris) عامل سوختگی غلاف، یکی از بیمارگرهای مهم برنج می باشد. با توجه به اهمیت بیماری و عدم وجود اطلاعات کافی از تنوع بیماریزایی جمعیت های این قارچ در ایران، 83 جدایه از مناطق مختلف برنجکاری استان گیلان جمع آوری و برای این منظور مورد مطالعه قرار گرفت. برای تعیین گروه آناستوموزی، همه جدایه های به دست آمده به همراه جدایه های استاندارد ag-1...
in this study, we investigated the antifungal effects of silver nanoparticles (ag-nps) on candida albicans (atcc 5027), saccharomyces cerevisiae (atcc 5027). investigating method by using minimum inhibitory concentration (mic) technique, some of drugs including amphotericin b, fluconazole and synthesized ag-nps have been obtained on the fungi and the changes on membrane reactions of yeasts have...
زمینه و اهداف: ویروس های هپاتیت و ویروس نقص ایمنی انسان (hiv) شایع ترین عفونت های قابل انتقال از خون در کارکنان مراقبت های بهداشتی درمانی هستند. هدف از انجام این پژوهش تعیین شیوع آنتی بادی علیه ویروس های هپاتیت و ایدز در دندانپزشکان شهر قزوین بود. روش بررسی: جامعه مورد مطالعه کلیه دندانپزشکان شاغل در شهر قزوین بود که ضمن تکمیل پرسشنامه در ارایه نمونه خون همکاری نمودند. نمونه سرم در پایگاه انتقا...
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