نتایج جستجو برای: ef
تعداد نتایج: 13456 فیلتر نتایج به سال:
The electro-Fenton (EF) process is a powerful electrochemical advanced oxidation process. Its development has progressed over the past three decades as clean and effective technique for wastewater treatment. Even though conventional EF been shown to be efficient degradation/mineralization of toxic and/or persistent organic pollutants; it still suffers from some downsides industrial-scale develo...
The elongation phase of protein synthesis is promoted by two G proteins, elongation factor Tu (EF-Tu), which delivers aminoacyl tRNAs to the ribosome, and elongation factor G (EF-G), which catalyzes translocation. Crystallographic investigations have revealed that EF-G.GDP resembles the EF-Tu.GTP.(aminoacyl tRNA) complex, and it has been proposed that the translocase function of EF-G is derived...
BACKGROUND Heart failure with preserved ejection fraction (EF) is a common syndrome, but trends in treatments and outcomes are lacking. METHODS AND RESULTS We analyzed data from 275 hospitals in Get With the Guidelines-Heart Failure from January 2005 to October 2010. Patients were stratified by EF as reduced EF (EF <40% [HF-reduced EF]), borderline EF (40%≤EF<50% [HF-borderline EF]), or prese...
background: the purpose of this study was to evaluate the infl uence of ejection fraction (ef) on peak aortic time (pat) and peak aortic enhancement (pae) during coronary computed tomography angiography (cta). materials and methods: one-hundred and twenty patients (64 men, 56 women) underwent measurement of coronary cta with a measurement of ef within 3 months of coronary cta.pearson’s correla...
Sambucus nigra (elder) are broadly used species to treat microbial infections. Thepotential antiviral activity and mechanism action of elder fruit (EF) in human epithelium cell(A549) cultures infected with H9N2 influenza virus were determined. The effect of variousconcentrations of EF on influenza virus replication was examined by using virus titration,quantitative real time RT-PCR, fusion and ...
BACKGROUND Although ejection fraction (EF) both perimyocardial infarction (MI) and late post-MI are important prognostic factors, only implantable cardioverter-defibrillator trials of post-MI patients with depressed late EF have shown improved survival. This may relate to imprecision of early EF because of post-MI stunning. We sought to determine if peri-MI infarct size, as measured by cardiac ...
فتوپروتئین های وابسته به کلسیم یکی از اعضای خانواده ی ef-handپروتئین های متصل شونده به کلسیم می باشند. با اضافه شدن کلسیم یک واکنش دکربوکسیلاسیون در پروتئین رخ می دهد که در طی این واکنش کلنترازین متصل به پروتئین به کلنترامید تبدیل شده و نشر بیولومینسانس از پروتئین ساطع می شود. چنانچه از هومولوژی توالی اولیه آن ها انتظار می رود همه ی فتوپروتئین ها ساختار کروی شکل متراکمی دارند. ساختار سوم آن ها ...
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