نتایج جستجو برای: 1 pa
تعداد نتایج: 2776212 فیلتر نتایج به سال:
OBJECTIVE Positive affect (PA) systematically improves cognitive performance on a wide range of cognitive tasks, but the link between PA and subjective memory complaints (SMCs) is unclear. The aim of this study was to investigate the associations between PA (level and change) and SMCs over a 10-year span. METHODS Current data included participants who completed all measures in the Midlife in ...
Proteolytic joint destruction in inflammatory and non-inflammatory arthropathy is believed to be mediated, at least in part, by the plasminogen activation (PA) system. To further investigate possible involvement of the PA system, we quantified immunoreactive urokinase-type plasminogen activator (u-PA), tissue-type plasminogen activator (t-PA), both plasminogen activator inhibitors (PAI-1 and PA...
objective: some of the adverse effects of aspirin including peptic ulcers, gastrointestinal bleeding and aspirin resistance compelled researchers to find a suitable alternative with fewer adverse effects. in this clinical trial, we aimed to find the effective antiplatelet dose of garlic. materials and methods: this randomized controlled clinical trial (rct) was conducted on 62 healthy volunteer...
غشا پلی اکریلونیتریل متخلخل نامتقارن بعنوان زیر لایه برای غشای کامپوزیتی پلی آمید لایه نازک استفاده شده است که توسط روش وارونگی فاز با استفاده از پلیمر panw/w%16 و حلال دی متیل فرم آمید (dmf)تهیهشد. لایه paبا استفاده از پلیمریزاسیون بین سطحی از پلی اتیلن ایمین (pei)و تری اتیل آمین (tea) در فاز آبی و تری مزوئیل کلرید (tmc) در فاز آلی بدست آمد. اثر غلظت pei(5/0، 1، 5/1، 2 و % w/w2.5) و غلظت tmc(1...
Receptor-mediated endocytosis of tissue-type plasminogen activator (t-PA)-plasminogen activator inhibitor type 1 (PAI-1) complexes results in their clearance by Hep G2 cells. After complexes are internalized, the t-PA component is degraded. However, neither the locus of intracellular catabolism nor the fate of PAI-1 has been elucidated. To characterize these aspects of t-PA-PAI-1 catabolism, th...
Aeromonas veronii is an important pathogen of aquatic animals, wherein Small protein B (SmpB) is required for pathogenesis by functioning as both a component in stalled-ribosome rescue and a transcription factor in upregulation of virulence gene bvgS expression. Here a specific peptide aptamer PA-1 was selected from peptide aptamer library by bacterial two-hybrid system employing pBT-SmpB as ba...
Given a set of positive integers A = {a1, . . . , an}, we study the number pA(t) of nonnegative integer solutions (m1, . . . ,mn) to ∑n j=1mjaj = t. We derive an explicit formula for the polynomial part of pA. Let A = {a1, . . . , an} be a set of positive integers with gcd(a1, . . . , an) = 1. The classical Frobenius problem asks for the largest integer t (the Frobenius number) such that m1a1 +...
The (salen)Co(III) complex 1 tethering four quaternary ammonium salts, which is a highly active catalyst in CO2/epoxide copolymerizations, shows high activity for propylene oxide/phthalic anhydride (PO/PA) copolymerizations and PO/CO2/PA terpolymerizations. In the PO/PA copolymerizations, full conversion of PA was achieved within 5 h, and strictly alternating copolymers of poly(1,2-propylene ph...
Statins are cholesterol-lowering drugs that exert pleiotropic effects which include changes in the plasminogen activation (PA) system of endothelial cells (EC). It was the objective of this study to investigate the signal transduction pathways by which statins increase the expression of tissue-type PA (t-PA) and decrease PA inhibitor type 1 (PAI-1) in human umbilical vein EC. Fluvastatin treatm...
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