نتایج جستجو برای: xg
تعداد نتایج: 1017 فیلتر نتایج به سال:
در این پژوهش حذف موثر مس از محلول آبی با استفاده از هیدروژل های زانتان گام (xg)، زانتان گام-پیوند-2-اکریل آمیدو-2-متیل-1-پروپان سولفونیک اسید (xg-g-amps)، زانتان گام-پیوند-2-اکریل آمیدو-2-متیل-1-پروپان سولفونیک اسید/مونت موری لونیت (xg-g-amps/mmt) و زانتان گام/مونت موری لونیت (xg/mmt) گزارش شد. هیدروژل xg-g-amps/mmt توسط پلیمریزاسیون پیوندی 2-اکریل آمیدو-2-متیل-1-پروپان سولفونیک اسید (amps) روی...
u(h(xG)) = πHu(f(xG)) + (1− πH)u(xG) > πHu(mB) + (1− πH)u(mG) . Thus IRH is satisfied. IRL binds by the definition of f. ICH binds by the definition of h. Finally, ICL is satisfied since the utility of full insurance is the same for both high and low types, so u(h(xG)) = πHu(f(xG)) + (1− πH)u(xG) < πLu(f(xG)) + (1− πL)u(xG) since the payoff in the good state is higher than the payoff in the bad...
the present study was aimed at evaluating the possible use of inter polymer complexed (ipc) films of xanthan gum (xg) and cationic guar gum (cgg) for formulating domperidone bioadhesive films. formation of bonds between –coo¯ groups of xg and –n + (ch 3 ) 3 groups of cgg was evident in the ftir spectra of ipc films. bioadhesive strength of the films was evaluated employing texture analyser. wat...
In this work, the adsorption of a neutral flexible polysaccharide, xyloglucan (XG), onto thin cellulose nanocrystal (CNC) surfaces has been investigated to get more insight into the CNC-XG association. Gold-coated quartz crystals were spin-coated with one layer of CNC, and XG adsorption was monitored in situ using a quartz crystal microbalance with dissipation (QCM-D). The adsorption of XG unde...
Microsomal membranes from growing tissue of pea (Pisum sativum L.) epicotyls were incubated with the substrate UDP-[14C]galactose (Gal) with or without tamarind seed xyloglucan (XG) as a potential galactosyl acceptor. Added tamarind seed XG enhanced incorporation of [14C]Gal into high-molecular-weight products (eluted from columns of Sepharose CL-6B in the void volume) that were trichloroacetic...
We used a previously developed simulation model of a plant cell wall and its enzymatic degradation to compare the abilities of two hemicelluloses, glucuronoarabinoxylan (GAX) and xyloglucan (XG), to protect cellulose microfibrils (CMFs) from attack by cellulose-degrading enzymes. Additionally, we investigated the effect of XG abundance on the degradation rate of CMFs in the presence of the same...
Modification of Xanthan Gum with Methyl Methacrylate and Investigation of Its Rheological Properties
Xanthan gum modification is considered a significant step in improving shearing, thermal degradation performance, and rheological properties. This paper investigates the rheology properties of grafted copolymer based on xanthan methyl methacrylate (XG-g-MMA), including shear stress viscosity versus rate. The XG-g-MMA was synthesized with different composition ratios (MMA) (1:1.6, 1:5, 1:8 wt.%)...
Physiological wall shear rates and stresses in vessel culture or tissue engineering are relevant for maintaining endothelial cell (EC) integrity. To this end, the culture medium should have an appropriate viscosity. The viscosity of a standard culture medium was increased using xanthan gum (XG) and compared with literature data on whole blood, resulting in a medium with blood-analog shear-thinn...
Let Xg = C (2) g be the second symmetric product of a very general curve of genus g. We reduce the problem of describing the ample cone on Xg to a problem involving the Seshadri constant of a point on Xg−1. Using this we recover a result of Ciliberto-Kouvidakis that reduces finding the ample cone of Xg to the Nagata conjecture when g ≥ 9. We also give new bounds on the the ample cone of Xg when...
The effect of xanthan gum (XG) addition on physicochemical properties of 2wt% whey protein isolate (WPI) stabilized oil-in-water (O/W) emulsions containing 20% v/v menhaden oil was investigated by measuring droplet size, viscosity, microstructure, creaming profile and oxidative stability. In fresh emulsions, addition of XG at different concentrations did not show any significant effect on the s...
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