نتایج جستجو برای: 6 am
تعداد نتایج: 1010916 فیلتر نتایج به سال:
The first author [1] proved that all zeros of the reciprocal polynomial Pm(z) = m ∑ k=0 Akz k (z ∈ C), of degree m ≥ 2 with real coefficients Ak ∈ R (i.e. Am 6= 0 and Ak = Am−k for all k = 0, . . . , [ m 2 ] ) are on the unit circle, provided that |Am| ≥ m ∑ k=0 |Ak −Am| = m−1 ∑ k=1 |Ak −Am|. Moreover, the zeros of Pm are near to the m + 1st roots of unity (except the root 1). A. Schinzel [3] g...
BACKGROUND Airway macrophage (AM) phagocytosis is impaired in severe asthma. Prostaglandin (PG) E2 and D2 are increased in severe asthma and suppress AM phagocytic function in vitro. In this study, we sought evidence for PG-mediated impairment of phagocytosis of inhalable carbonaceous particulate matter (PM) by AM in children with severe asthma compared with mild asthmatics and healthy controls...
در سالهای اخیر خشکسالی و کمبود بارندگی یکی از مشکلات اساسی بسیاری از کشورهای جهان بوده است که تولید محصولات کشاورزی را محدود میسازد. یکی از راه حلهای مناسب برای مقابله با تنش خشکی، برقراری رابطه همزیستی گیاهان با قارچهای میکوریز می باشد. این قارچها با فعالیت های گسترده ای که در داخل ریشه و هم چنین خاک دارند، رشد گیاهان را تحت تأثیر قرار میدهند. بدین منظور آزمایشی به صورت گلخانه ای در یک خاک است...
PURPOSE To compare intraocular pressure (IOP) reduction profiles of latanoprost-timolol maleate fixed combination (LTFC) administered in the morning or evening in primary open angle glaucoma (POAG). METHODS A prospective, randomized study including 60 eyes of 30 patients with POAG was carried out. Patients were randomized to treatment with LTFC at 8 PM (Group 1) or at 8 AM (Group 2). After th...
OBJECTIVE The aim of this study was to evaluate the efficacy of intrasphincteric injections of autologous myoblasts (AMs) in fecal incontinence (FI) in a controlled study. SUMMARY OF BACKGROUND DATA Adult stem cell therapy is expected to definitively cure FI by regenerating damaged sphincter. Preclinical data and results of open-label trials suggest that myoblast therapy may represent a nonin...
Epithelial Na+ channels (ENaC) coexist with a family of ATP-gated ion channels known as P2X receptors in the renal collecting duct. Although ENaC is itself insensitive to extracellular ATP, tubular perfusion of ATP can modify the activity of ENaC. To investigate a possible regulatory relationship between P2X receptors and ENaC, coexpression studies were performed in Xenopus oocytes. ENaC genera...
Background and purpose: Amniotic membrane (AM) is a proper candidate for vascular tissue engineering. The aim of this study was to evaluate the hemocompatibility of the epithelial surface of the AM. Materials and methods: In this study, we assessed the effects of the epithelial surface of the AM on blood coagulation system by measuring activated partial thromboplastin time (aPTT), prothromb...
Amifostine (AM) is a radioprotector that scavenges free radicals and is used in patients undergoing radiotherapy. p53 has long been implicated in cell cycle arrest for cellular repair after radiation exposure. We therefore investigated the protective p53-dependent mechanism of AM on small bowel damage after lethal whole-abdominal irradiation (WAI). AM increased both the survival rate of rats an...
PURPOSE To study, with the use of an animal model, the efficacy of amniotic membrane (AM) transplantation as adjunctive treatment in corneal healing after bacterial keratitis. METHODS Staphylococcus aureus keratitis was induced in 47 rats by injection of bacteria into the corneal stroma. Treatment was started 48 hours later with one of three randomly assigned protocols: cefazolin drops (50 mg...
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