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Showing 433 to 444 of 467 entries
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Rheological characterisation of xanthan gum in brine solutions at high temperature.

Carbohydrate polymers

Reinoso D, Martín-Alfonso MJ, Luckham PF, Martínez-Boza FJ.
PMID: 30318193
Carbohydr Polym. 2019 Jan 01;203:103-109. doi: 10.1016/j.carbpol.2018.09.034. Epub 2018 Sep 20.

Xanthan gum solutions are used in the oil industry for flooding, drilling and completion operations. The stabilization of the structure of xanthan gum solutions in presence of salts increases the value of both the order-disorder transition temperature and the...

Microwave-assisted green synthesis of xanthan gum grafted diethylamino ethyl methacrylate: An efficient adsorption of hexavalent chromium.

Carbohydrate polymers

Makhado E, Pandey S, Ramontja J.
PMID: 31320081
Carbohydr Polym. 2019 Oct 15;222:114989. doi: 10.1016/j.carbpol.2019.114989. Epub 2019 Jun 12.

We report the development of a novel graft copolymer, diethylamino ethyl methacrylate grafted xanthan gum (mwXG-g-DEAEMA), by microwave heating. The synthesized graft copolymer was used for potential application of Cr(VI) adsorption. The structure, thermal stability and morphologies of XG...

Impact of Preservation Conditions on Fatty Acids, Xanthan Gum Production and Other Characteristics of .

Indian journal of microbiology

Silva GS, Assis DJ, Druzian JI, Oliveira MBPP, Ribeiro PLL, Cordeiro SM, Schmidt CA.
PMID: 28904421
Indian J Microbiol. 2017 Sep;57(3):351-358. doi: 10.1007/s12088-017-0663-3. Epub 2017 Aug 14.

The conditions of storage, cultivation and maintenance of microbial cultures should preserve the microbiological homogeneity, phenotypic and genotypic characteristics to ensure better reproducibility of metabolic production. To evaluate the influence of the storage condition on the composition of cell...

Viscous placebo and carbohydrate breakfasts similarly decrease appetite and increase resistance exercise performance compared with a control breakfast in trained males.

The British journal of nutrition

Naharudin MN, Adams J, Richardson H, Thomson T, Oxinou C, Marshall C, Clayton DJ, Mears SA, Yusof A, Hulston CJ, James LJ.
PMID: 32174286
Br J Nutr. 2020 Mar 16;1-9. doi: 10.1017/S0007114520001002. Epub 2020 Mar 16.

Given the common view that pre-exercise nutrition/breakfast is important for performance, the present study investigated whether breakfast influences resistance exercise performance via a physiological or psychological effect. Twenty-two resistance-trained, breakfast-consuming men completed three experimental trials, consuming water-only (WAT), or...

Carbon fibers coated with urchin-like copper sulfide for nonenzymatic voltammetric sensing of glucose.

Mikrochimica acta

Keerthi M, Mutharani B, Chen SM, Ranganathan P.
PMID: 31745655
Mikrochim Acta. 2019 Nov 19;186(12):807. doi: 10.1007/s00604-019-3915-6.

Urchin-like CuS was grown on xanthan gum-derived carbon nanofibers to obtain a sensor for enzyme-free electrochemical sensing of glucose. The unique nanostructure of the sensor provides a large specific surface, more electrocatalytically active sites, and high electrical conductivity. The...

Zwitterionic polymer modified xanthan gum with collagen II-binding capability for lubrication improvement and ROS scavenging.

Carbohydrate polymers

Ren K, Ke X, Chen Z, Zhao Y, He L, Yu P, Xing J, Luo J, Xie J, Li J.
PMID: 34702446
Carbohydr Polym. 2021 Nov 15;274:118672. doi: 10.1016/j.carbpol.2021.118672. Epub 2021 Sep 17.

High friction of damaged cartilage requires long-acting lubricated additive, which can also effectively scavenge reactive oxidative species (ROS) produced by mechanically stimulated chondrocytes. In this study, xanthan gum (XG) was grafted by poly (sulfobetaine methacrylate) (PSBMA) (the [XG]/[SBMA] molar...

Impact of the synergistic interaction between xanthan and galactomannan on the stickiness properties of residual film after application on a surface.

Carbohydrate polymers

Poret F, Cordinier A, Hucher N, Grisel M, Savary G.
PMID: 33436254
Carbohydr Polym. 2021 Mar 01;255:117500. doi: 10.1016/j.carbpol.2020.117500. Epub 2020 Dec 13.

The objective was to investigate the influence of synergism between xanthan gum (X) and galactomannans (guar gum (G) and locust bean gum (L)) on the stickiness of the film formed after the application of polysaccharides on a surface. The...

Production and viscosity of Xanthan Gum are increased by LED irradiation of X. campestris cultivated in medium containing produced water of the oil industry.

Journal of photochemistry and photobiology. B, Biology

Crugeira PJL, de Almeida PF, Sampaio ICF, Soares LGP, Moraga Amador DA, Samuel IDW, Persheyev S, Silveira L, Pinheiro ALB.
PMID: 34801926
J Photochem Photobiol B. 2021 Nov 12;226:112356. doi: 10.1016/j.jphotobiol.2021.112356. Epub 2021 Nov 12.

Oil recovery is a challenge and microbial enhanced oil recovery is an option. We theorized that the use of produced water (PW) with photo-stimulation could influence both production and viscosity of Xanthan gum. This study aimed at the evaluation...

An experimental performance comparison of Newtonian and non-Newtonian fluids on a centrifugal blood pump.

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine

Onder A, Yapici R, Incebay O.
PMID: 35014554
Proc Inst Mech Eng H. 2022 Jan 11;9544119211057626. doi: 10.1177/09544119211057626. Epub 2022 Jan 11.

The use of substitute fluid with similar rheological properties instead of blood is important due to ethical concerns and high blood volume consumption in pump performance test before clinical applications. The performance of a centrifugal blood pump with hydrodynamic...

The Role of Microbial Products in Green Enhanced Oil Recovery: Acetone and Butanone.

Polymers

Haq B.
PMID: 34208164
Polymers (Basel). 2021 Jun 11;13(12). doi: 10.3390/polym13121946.

Green enhanced oil recovery is an oil recovery process involving the injection of specific environmentally friendly fluids (liquid chemicals and gases) that effectively displace oil due to their ability to alter the properties of enhanced oil recovery. In the...

Correlation of human perception in swallowing with extension rheological and tribological characteristics in comparison with shear rheology.

Journal of texture studies

Funami T, Nakauma M.
PMID: 34841545
J Texture Stud. 2021 Nov 28; doi: 10.1111/jtxs.12648. Epub 2021 Nov 28.

Correlation was investigated between instrumental characteristics obtained by extension rheological or tribological measurements and human perception while swallowing using aqueous solutions of xanthan gum and locust bean gum. Extension viscosity and the friction coefficient were measured using a capillary...

Development of a simple evaluation instrument for liquid thickness measurement.

Journal of texture studies

Sei H, Yasuda K, Asayama R, Tanaka K, Oba S, Shidahara M, Hato N.
PMID: 34994993
J Texture Stud. 2022 Jan 07; doi: 10.1111/jtxs.12660. Epub 2022 Jan 07.

Simple methods, such as the line spread test (LST), are often used to evaluate thickened liquids in clinical settings. Although it is desirable for these simple methods to be rapid, even the LST requires approximately 1 min to complete...

Showing 433 to 444 of 467 entries