نتایج جستجو برای: rheological properties
تعداد نتایج: 874169 فیلتر نتایج به سال:
The influence of magnetic field on whole blood rheological properties remains a weakly known phenomenon. An in vitro analysis of the magnetic field influence on the rheological properties of healthy persons blood is presented in this work. The study was performed on blood samples taken from 25 healthy nonsmoking persons and included comparative analysis of the results of both the standard rotar...
The purpose of this study was to select a polymer for a simulated gastric media (simHGF) to obtain rheological properties similar to that of aspirated human gastric fluid (aspHGF). Rheological characterization showed that addition of 0.2% (w/v) MC 20.000 mPa·s to simHGF provided a simulated media with rheological properties similar to that of aspHGF. INTRODUCTION Many efforts have been made tow...
Background & Aim: Psyllium (Plantago psyllium L.) is a native plant that grows widely in India and Iran. Different cases of using psyllium gum for its suitable rheological properties in a wide range of food products exist in nature. Experimental: In this study, different fractions of psyllium gum were extracted by water and alkali treatments. Rheological properties of these fractions...
During migration, asymmetrically polarized cells achieve motion by coordinating the protrusion and retraction of their leading and trailing edges, respectively. Although it is well known that local changes in the dynamics of actin cytoskeleton remodeling drive these processes, neither the cytoskeletal rheological properties of these migrating cells are well quantified nor is it understand how t...
This investigation describes the formulation and characterization of rheologically structured vehicles (RSVs) designed for improved drug delivery to the vagina. Interactive, multicomponent, polymeric platforms were manufactured containing hydroxyethylcellulose (HEC, 5% w/w) polyvinylpyrrolidone (PVP, 4% w/w), Pluronic (PL, 0 or 10% w/w), and either polycarbophil (PC, 3% w/w) or poly(methylvinyl...
Lots of investigation has been done in order to increase wheat yield per acre in Iran, but there is not enough study about quality of produced wheat. Bread quality in Iran has been deteriorated in recent years, mostly due to employing wheat flours of low quality. Thus the present study was conducted to find the chemical and rheological properties of four bread wheat cultivars (Omid, Rosshan, Go...
Nematic liquid crystals are textured, anisotropic, viscoelastic materials. The remarkable rheological properties of viscoelastic materials are governed by the flow-induced evolution of molecular configuration. Analogues to liquid crystal flow processes occur in the supramolecular selfassembly processes of living biological tissues. A good understanding of the relationships between rheological p...
The present study was aimed to develop topical gel of Curcumin which enhances the bioavailability & permeation with the help of combination of polymers which will be useful in further drug delivery. Polymers plays major role in various characterization parameters of topical gel such as in vitro release and rheological properties. A stable, elegant formulation of curcumin gel was successfully pr...
The effect of different extraction rates (64%, 82% and 90%) of wheat flour on the rheological properties of the wheat flour dough was investigated. A complete study of the rheological behavior of the wheat flour dough was performed by using three different instruments namely alveograph, extensograph, and farinograph. The correlation coefficient among the various parameters of applied methods wa...
This review reports recent advances in the field of polymer–layered silicate nano composites. Thesematerials have attracted both academic and industrial attention because they exhibit dramaticimprovement in properties at very low filler contents. Herein, the structure, preparation andproperties of polymer–layered silicate nanocomposites are discussed in general, and finally the effectof clay na...
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