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Molecules 2015, 20(4), 5812-5824; doi:10.3390/molecules20045812

Characterization at 25 °C of Sodium Hyaluronate in Aqueous Solutions Obtained by Transport Techniques

1
Department of Physics and Material Engineering, Faculty of Technology, Tomas Bata University in Zlín, nám. T.G.Masaryka 275, Zlín 762 72, Czech Republic
2
Centre of Polymer Systems, Tomas Bata University in Zlín, nám. T.G. Masaryka 5555, Zlín 760 01, Czech Republic,
3
Coimbra Chemistry Centre, Department of Chemistry, University of Coimbra, Coimbra 3004-535, Portugal
*
Authors to whom correspondence should be addressed.
Academic Editors: Vito Ferro and Trinidad Velasco-Torrijos
Received: 9 January 2015 / Revised: 23 March 2015 / Accepted: 26 March 2015 / Published: 2 April 2015
(This article belongs to the Collection Advances in Carbohydrate Chemistry)
View Full-Text   |   Download PDF [851 KB, uploaded 2 April 2015]   |  

Abstract

Mutual diffusion coefficients, D, were determined for aqueous solutions of sodium hyaluronate (NaHy) at 25 °C and concentrations ranging from 0.00 to 1.00 g·dm−3 using the Taylor dispersion technique. From these experimental data, it was possible to estimate some parameters, such as the hydrodynamic radius Rh, and the diffusion coefficient at infinitesimal concentration, D0, of hyaluronate ion, permitting us to have a better understanding of the structure of these systems of sodium hyaluronate in aqueous solutions. The additional viscosity measurements were done and Huggins constant, kH, and limiting viscosity number, [η], were computed for interaction NaHy/water and NaHy/NaHy determination. View Full-Text
Keywords: diffusion coefficients; transport properties; sodium hyaluronate; Taylor dispersion; Huggins constant; limiting viscosity number diffusion coefficients; transport properties; sodium hyaluronate; Taylor dispersion; Huggins constant; limiting viscosity number
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Mráček, A.; Gřundělová, L.; Minařík, A.; Veríssimo, L.M.P.; Barros, M.C.F.; Ribeiro, A.C.F. Characterization at 25 °C of Sodium Hyaluronate in Aqueous Solutions Obtained by Transport Techniques. Molecules 2015, 20, 5812-5824.

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