نتایج جستجو برای: مواد بسپاری خارج سلولی eps
تعداد نتایج: 117253 فیلتر نتایج به سال:
Intertidal areas support extensive diatom-rich biofilms. Such microphytobenthic (MPB) diatoms exude large quantities of extracellular polymeric substances (EPS) comprising polysaccharides, glycoproteins and other biopolymers, which represent a substantial carbon pool. However, degradation rates of different EPS components, and how they shape heterotrophic communities in sediments, are not well ...
Electric Power Steering (Abbr. EPS) is a full electric system which reduces the amount of steering effort by directly applying the output from an electric motor to the steering system and has attracted much attention for their advantages. The constitutions and working principle of EPS system was introduced. Through the control requirements in EPS system, the MAS-based EPS control strategy and a...
There was not available data about the overlap between functional dyspepsia (FD) and pancreatic diseases. We aimed to determine whether epigastric pain syndrome (EPS) accompanying with pancreatic enzyme abnormalities were associated with early chronic pancreatitis proposed by Japan Pancreas Society (JPS) using endosonography. We enrolled 99 consecutive patients presenting with typical symptoms ...
The potential of Lactobacillus rhamnosus R for producing exopolysaccharide (EPS) when grown on basal minimum medium supplemented with glucose or lactose was investigated. EPS production by L. rhamnosus R is partially growth associated and about 500 mg of EPS per liter was synthesized with both sugars. The product yield coefficient (Y(EPS/S)) was 3.15 (0.0315 g of EPS [g of lactose](-1)) and 2.8...
Extracellular polymeric substances are transient media for microbial extracellular electron transfer
Microorganisms exploit extracellular electron transfer (EET) in growth and information exchange with external environments or with other cells. Every microbial cell is surrounded by extracellular polymeric substances (EPS). Understanding the roles of three-dimensional (3D) EPS in EET is essential in microbiology and microbial exploitation for mineral bio-respiration, pollutant conversion, and b...
BACKGROUND The MK1 strain, a novel bacterial isolate from soft-rotten tissue of the Neungee mushroom, produces copious amounts of exopolysaccharide (EPS) in a dextrose minimal medium. This study examined the molecular characteristics and immunomodulatory activity of MK1 EPS. METHODS The EPS in the culture supernatant was purified by cold ethanol precipitation, and characterized by SDS-PAGE/si...
چکید ه سابقه و هدف خون بند ناف( UCB ) در پیوند مغز استخوان، به علت دوز پایین سلول های CD34+ دارای محدودیتهایی است که میبایست این سلولها تکثیر شوند. بنابراین هدف از این تحقیق، تکثیر سلولهای CD34+ با کمترین دست‌ورزی می‌باشد. مواد و روش‌ها در یک مطالعه تجربی، سلولهای بنیادی سوماتیک غیر محدود شده( USSC ) جفت انسانی جداسازی و از نظر مورفولوژیکی و ایمونولوژیکی شناسایی و تایید شدند. س...
Epalrestat (EPS) is the only aldose reductase inhibitor that is currently available for the treatment of diabetic neuropathy. Recently, we found that EPS at near-plasma concentration increases the intracellular levels of glutathione (GSH) in rat Schwann cells. GSH plays a crucial role in protecting endothelial cells from oxidative stress, thereby preventing vascular diseases. Here we show that ...
جنبش‌های همرفتی و تشکیل الگوهای سلولی در سیال از مسائل مهم در هیدرودینامیک فیزیکی- شیمیایی، انتقال جرم و گرما در سامانه‌های سیالی کم عمق و با سطح آزاد هستند. شناخت این نوع از جنبش‌ها در محلول‌های بسپاری، به سبب اهمیت ویژه‌ای که در ساخت فیلم‌های نازک در صنایع مختلفی چون پوشرنگ، چسب، غشاها و سلولهای خورشیدی دارند، مورد تمرکز بسیاری از پژوهش‌ها قرار گرفته است. به‌طور کلی، در این مرور به پدیده‌ی ه...
A symbiont, isolated from root nodules of Crotalaria saltiana Andr., was identified as Rhizobium sp. It produced large amount of extracellular polysaccharides (EPS) in broth culture in yeast extract mannitol (YEM) medium. The EPS production and growth started simultaneously, though they have different stationary phases. The symbiont produced maximum EPS (16 μg/mL) when the medium was supplement...
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