It was determined that the replacement of part of potato starch with inulin significantly modifies rheological properties of starch pastes and gels, weakening their

pectin-based systems -- Characterisation of pectin-calcium-gels : influence of pectin methoxylation properties -- High pressure-induced rheological transitions

Hardness, at 40% compression, increased with concentration, and 25:75 and 50:50 gels were hardest at each concentration. Ordered microstructure, apparent in 0:100 gels, diminished with HMW β-glucan addition. Glucose addition resulted in lower tan δ values and firmer, harder gels compared to gels … The rheological properties of creams and lotions are largely influenced by the ingredients and by the manufacturing process. Whether the consumer perceives the product as being pleasant must first be investigated in sensory tests, directly on the skin [1, 4]. Abstract. The rheological properties of 1-1.5% κ-carrageenan gels mixed with galactomannan, i.e., locust bean gum, tara gum, and guar gum, in ratios of 7: 3 and 1: 1 were investigated by measuring the temperature dependence and the courses of dynamic viscoelasticity and static viscoelasticity.The addition of small amounts of locust bean gum and tara gum to κ-carrageenan changed the The following aspects of the rheological behavior of polysaccharide and protein gels are discussed with particular emphasis on recent investigations: (1) Viscoelasticity of gels; (2) Validity of rubber elasticity theory; (3) Rupture strength of gels; and (4) Single‐point measurements of gel strength. Relation between Rheological Properties of Pectin Gels and Pectin Fine Structure Anna Ström1, Leif Lundin2, Ed Morris3 and Martin A.K. Williams4,5 1 Pharmaceutical Technology, Chemical and Biological Engineering, Chalmers University of Technology, 412 96 Göteborg, Sweden 2Food Science Australia, Private Bag 16, Werribee, Vic 3030, Australia 1 1 Preparation and Rheological Properties of Whey Protein Emulsion Fluid 2 Gels 3 R. J. A. Moakes*, A. Sullo, I. T. Norton 4 Centre for Formulation Engineering, School of Chemical Engineering, University of 5 Birmingham, Edgbaston, Birmingham, B15 2TT, UK 6 *Corresponding Author: rjm116@bham.ac.uk 7 8 Abstract 9 A shear-gel approach was used to coat an O/W emulsion with a whey 2002-05-01 1999-12-20 In real-life applications, hydrogels can undergo large strain deformation, which may result in structural damage leading to failure.

Rheological properties of gels

Ph. D. thesis, Wageningen University, The Netherlands. Keywords: soy protein isolate, glycinin, esteem gels exhibit strange rheological property tion; Polyethylene glycol (PEG ); Gel; Shear stress Rheological properties of PEG arrangements and gels. Materials and Methods: Rheological properties of gel solutions with different concentrations were measured using oscillatory rheometry. Agarose gels of 1% and 2 The rheological properties at small (oscillatory shear) and large (uniaxial compression) deformations of heat-induced gels (80 °C for 20 min, pH 7.3) containing It is shown that under defined conditions gel is formed in the glycol from the glycol regeneration plants, which created significant operational problems. Rheological properties of gelatin, gelatin/regular and gelatinlwaxy corn starch composite gels were investigated using oscillatory shear, constant rate uniaxial Jun 3, 2019 Rheological Properties, Dissolution Kinetics, and Ocular Pharmacokinetics of Loteprednol Etabonate (Submicron) Ophthalmic Gel 0.38%. Jun 21, 2013 The huge differences in magnetorheological properties of different MR gels (for example, the G' of MR gels without solvent is three orders of Dec 1, 1988 DSC and dynamic viscoelastic measurements were carried out for agarose– DMSO–water gels in order to clarify the relation between the Magnetorheological gels typically are colloids of spherical micrometer magnetic particles dispersed in a high-viscosity polymer matrix. However, some major As with agarose gel electrophoresis, the samples are separated using an electrical field, and pass through a gel matrix which influences the migration of the Watch this video summary of protein gel electrophoresis by SDS-PAGE.

2.3. Extraction of storage most of rheological investigations have been focused on steady shear viscosity and sol-gel transition phenomenon. Based upon the above-described backgrounds, the present study has been undertaken to characterize the rheological properties of concentrated poloxamer 407 solutions and gels shear flow in various fields.

Method development for rheological characterization of microfibrillated cellulose Sammanfattning : Konsistensen på en gel bestående av tvärbunden the possibility to measure the rheological properties of bitumen-filler mastic with RVB

The rheological properties of several commercial topical fluoride gels were studied. For that purpose, we investigated hysteresis loops under standard conditions, equilibrium values, apparent viscosities as a function of shear rate, rate of thixotropic recovery, and the influence of temperature. In this work, we present mechanical and rheological properties of Agar and Konjac based edible gels at different Agar and Konjac weight ratio and discuss their 3D printing performance. Rheological properties of acid skim milk gels as affected by the spatial distribution of the structural elements and the interaction forces between them.

Cells were observed within the gels over 0–28 days, and accumulation of of mechanical and rheological properties of a cell-loaded peptide gel during ECM

The rheological properties of oil gels prepared by dispersing colloidal silica in n-dodecane and 1-dodecanol were examined. The differences in gel strength using these two media were accounted for by the difference in the extent of hydrogen bond formation between the silanol groups on the silica surface. Rheological behavior of vaginal gels strongly depended on the type of gelling agent used, which potentially influences their spreading and retention properties when administered in the vaginal canal. Small variations in gels composition can result in substantial changes in their features, namely viscosity, yield stress and thixotropy. Rheological properties and microstructures of Carbopol gel network system Rheological properties of a surfactant-induced gel for the lysozyme-sodium dodecyl sulfate-water system. / Montalvo, G; Khan, Ali. I: Colloid and Polymer Science, Vol. 283, Nr. 4, 2005, s. 402-412.

To evaluate the rheological properties of gels many con- siderations should be … Rheological properties is often used to characterize hydrogel materials.
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International Dairy Journal 2008, 18 (5) , 585-593. As is well known, the isoelectric point although the rheological properties of gelatin is determined by the pH value at which the (Ward and Saunders (16), Veis (15), Watase and velocity of electrophoresis becomes zero and Arakawa (17) and agar-agar or agarose (Watase the viscosity becomes minimum.

In real-life applications, hydrogels can undergo large strain deformation, which may result in structural damage leading to failure. Here, we report the nonlinear rheological properties and failure behavior of alginate hydrogels, a class of polysaccharide hydrogels, synthesized via ionic and covalent crosslinking. The rheological properties of oil gels prepared by dispersing colloidal silica in n-dodecane and 1-dodecanol were examined. The differences in gel strength using these two media were accounted for by the difference in the extent of hydrogen bond formation between the silanol groups on the silica surface.
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Dec 1, 1988 DSC and dynamic viscoelastic measurements were carried out for agarose– DMSO–water gels in order to clarify the relation between the

Rheology of cellulose nanofibers suspensions: boundary driven flow includes extreme shear-thinning as well as viscoelastic properties and a yield stress been explained in the past as weak gel structures that break down in shear, but for For rheological analyses, viscoelastic data were collected with plate-plate geometry of 25mm, temperature regulated by a Peltier-effect plate, and the following assessed: Strain sweep from 0.01% to 3000% strain at 1Hz over frequency sweep from 0.1 to 100 Hz. Results: NASHA Restylane gels with and without lidocaine exhibited similar viscoelastic characteristics, with very similar tan δ values, but the elastic modulus G' proved significantly higher when the gel was injected with lidocaine vs The rheological properties of several commercial topical fluoride gels were studied. For that purpose, we investigated hysteresis loops under standard conditions, equilibrium values, apparent viscosities as a function of shear rate, rate of thixotropic recovery, and the influence of temperature.

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Carrageenan emulsion gels containing sunflower oil were prepared using Moreover, the rheological properties and the micro- and nanostructure from the

The effect of HP on fat globule size distribution and the amount of protein not involved in emulsion droplets (i.e., in the bulk phase) were also studied.

The effects of heat treatment of milk, and a range of rennet and glucono-delta-lactone (GDL) concentrations on the rheological properties, at small and large deformation, of milk gels were investigated. Gels were made from reconstituted skim milk at 30 degrees C, with two levels each of rennet and G …

2002 Oct 9;50(21):6064-71. doi: 10.1021/jf020061b. Rheological properties of a surfactant-induced gel for the lysozyme-sodium dodecyl sulfate-water system. / Montalvo, G; Khan, Ali. In: Colloid and Polymer Science, Vol. 283, No. 4, 2005, p. 402-412.

Non-destructive viscoelastic measurements and fracture techniques were used. READ MORE Abstract : The focus of this thesis is the relation between the rheological and structural properties of mixed particulate gels, based on β-lactoglobulin, determined av P Walkenström · 1997 · Citerat av 40 — Microstructural and rheological properties of high-pressure treated mixed and pure gels of gelatin and whey protein concentrate (WPC) were It was found that Cladophora cellulose forms gel structures at cellulose cellulose, Avicel RC/CL grades, Dispersive cellulose, Gels, Rheological properties The rheological properties of gels of hydrophobically modified potato starch (HMPot) and high amylopectin potato starch (HAPP) were studied by small The influence of amylopectin (Ap) (in the form of high amylopectin potato starch, HAPP) on the rheological properties of its mixtures with amylose (Am) has been Rheological analysis. The purpose of rheology is to analyse materials' mechanical properties and to Characteristic phenomena (gel time, minimum viscosity. Thermodynamics for polymer systems. Particulate and polymer gels - structure and rheological properties. Synthesis of cross-linked gels.