نتایج جستجو برای: bmcs
تعداد نتایج: 348 فیلتر نتایج به سال:
آسیای اولیه واحد نیمه صنعتی سنگ آهن گل گهر یک آسیای نیمه خودشکن تر با نسبت طول به قطر 1??? است که شباهت زیادی به آسیای گلوله ای دارد. در این تحقیق امکان استفاده از این آسیا به عنوان یک آسیای گلوله ای برای تولید محصولی با d80 ریزتر از ??? میکرون از مواد برگشتی آسیاهای خودشکن کارخانه فرآوری بررسی شد. برای این منظور طراحی آستر و گلوله بر اساس خوراک جدید انجام شد. حداکثر ابعاد گلوله مورد نیاز که از...
Binary metal chalcogenides (BMCs) have shown better electrochemical performance compared with their mono counterparts owing to abundant phase interfaces, higher active sites, faster kinetics and electronic conductivity. Nevertheless, still undergoes adverse decline during processes mainly due poor intrinsic ionic conductivities, large volume expansions, structural agglomeration fracture. To tac...
This review discusses current understanding of the role that endogenous and exogenous progenitor cells may have in the treatment of the diseased heart. In the last several years, a major effort has been made in an attempt to identify immature cells capable of differentiating into cell lineages different from the organ of origin to be employed for the regeneration of the damaged heart. Embryonic...
Host NK cells can reject MHC-incompatible (allogeneic) bone marrow cells (BMCs), suggesting their effective role for graft-vs leukemia effects in the clinical setting of bone marrow transplantation. NK cell-mediated rejection of allogeneic BMCs is dependent on donor and recipient MHC alleles and other factors that are not yet fully characterized. Whereas the molecular mechanisms of allogeneic M...
BACKGROUND Experimental data suggest that bone marrow-derived cells may contribute to the healing of myocardial infarction (MI). For this reason, we analyzed 10 patients who were treated by intracoronary transplantation of autologous, mononuclear bone marrow cells (BMCs) in addition to standard therapy after MI. METHODS AND RESULTS After standard therapy for acute MI, 10 patients were transpl...
Novel cell therapy is required to treat critical limb ischemia (CLI) as many current approaches require repeated aspiration of bone marrow cells (BMCs). The use of cultured BMCs can reduce the total number of injections required and were shown to induce therapeutic angiogenesis in a murine model of hind limb ischemia. Blood flow recovery was significantly improved in mice treated with granulocy...
Graft failure is a mortal complication in allogeneic bone marrow transplantation (BMT); T cells and natural killer cells are responsible for graft rejection. However, we have recently demonstrated that the recruitment of donor-derived stromal cells prevents graft failure in allogeneic BMT. This finding prompted us to examine whether a major histocompatibility complex (MHC) restriction exists be...
Administration of adult stem cells for cardiac repair after myocardial infarction (MI) is a revolutionary new strategy that could become clinically feasible in the near term, appears to be safe and relatively cost-effective, and offers tremendous potential to improve prognosis. Using diverse cell populations and strategies, several relatively small clinical studies have reported encouraging out...
امروزه استفاده از آسیاهای میله ای در طراحی های جدید مدارهای خردایش منسوخ شده است. با این حال، آسیاهای میله ای بسیاری در کارخانه های فرآوری در کشور وجود دارند که به دلایل مختلف عملکرد آنها می باید بهینه سازی شود. نرم افزارهای شبیه ساز، ابزارهایی تخصصی برای طراحی و بهینه سازی فرآیند می باشند. مدل سازی ریاضی فرآیند خردایش در آسیاهای میله ای به دلیل «اثر غربالگری» در این نوع آسیاها به طور کلی متفاو...
CONTEXT Previous studies using autologous bone marrow mononuclear cells (BMCs) in patients with ischemic cardiomyopathy have demonstrated safety and suggested efficacy. OBJECTIVE To determine if administration of BMCs through transendocardial injections improves myocardial perfusion, reduces left ventricular end-systolic volume (LVESV), or enhances maximal oxygen consumption in patients with ...
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