Phase and Rheological Behavior of High-Concentration Colloidal Hard-Sphere and Protein Dispersions

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dc.contributor.authorLoveday, SM
dc.contributor.authorCreamer, Lawrence K.
dc.contributor.authorSingh, Harjinder
dc.contributor.authorRao, M. A.
dc.date.accessioned2011-07-15T02:54:17Z
dc.date.accessioned2016-03-06T22:26:34Z
dc.date.available2011-07-15T02:54:17Z
dc.date.available2016-03-06T22:26:34Z
dc.date.issued2007
dc.descriptionThe definitive version is available at http://onlinelibrary.wiley.com/doi/10.1111/j.1750-3841.2007.00452.x/abstracten_US
dc.description.abstractColloidal hard-sphere particles of narrow-size distribution exhibit crystalline and glassy states beginning at the particle volume fractions φ=0.494 and φG=0.58, respectively. Dynamic rheological data on the dispersions was strongly modified to solid-like behavior as φ approached φG. In addition, cooperative motion in structural relaxation has been observed microscopically in the colloidal dispersions near the glassy state. Very high viscosities and glassy states were also found in high-concentration dispersions of sodium caseinate, and the globular proteins: bovine serum albumin and β-lactoglobulin. Viscosity models developed for hard-sphere dispersions provided reasonable predictions of relative viscosities of colloidal protein dispersions. Dispersions of food colloidal particles may be employed in studies, in which volume fraction is the thermodynamic variable, for understanding the relaxation and transport processes related to first-order and colloidal glass transitionsen_US
dc.identifier.citationLoveday, S. M., Creamer, L., Singh, H., & Rao, M. A. (2007). Phase and Rheological Behavior of High-Concentration Colloidal Hard-Sphere and Protein Dispersions. Journal of Food Science, 72(7), R101-R107en_US
dc.identifier.elements-id23286
dc.identifier.harvestedMassey_Dark
dc.identifier.harvestedMassey_Dark
dc.identifier.issn0022-1147
dc.identifier.urihttps://hdl.handle.net/10179/2524
dc.language.isoenen_US
dc.publisherWiley-Blackwellen_US
dc.subjectColloidal dispersionen_US
dc.subjectProteinsen_US
dc.subjectViscosityen_US
dc.subjectGlass transitionen_US
dc.subjectHard sphereen_US
dc.titlePhase and Rheological Behavior of High-Concentration Colloidal Hard-Sphere and Protein Dispersionsen_US
dc.typeArticleen_US
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