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https://hdl.handle.net/10316/109236| Title: | Characterization at 25 °C of sodium hyaluronate in aqueous solutions obtained by transport techniques | Authors: | Mráček, Aleš Gřundělová, Lenka Minařík, Antonín Veríssimo, Luís Barros, Marisa C. F. Ribeiro, Ana C. F. |
Keywords: | diffusion coefficients; transport properties; sodium hyaluronate; Taylor dispersion; Huggins constant; limiting viscosity number | Issue Date: | 2-Apr-2015 | Publisher: | MDPI | Project: | Financial support from FCT PTDC/AAC-CLI/118092/2010 is gratefully acknowledged. MCFB is grateful for the SFRH/BD/72305/2010 grant. Financial support of the Coimbra Chemistry Centre from the FCT through project Pest-OE/QUI/UI0313/2014 is gratefully acknowledged. This article was also written with support of Operational Program Research and Development Fund (ERDF) and national budget of Czech Republic, within the framework of project Centre of Polymer Systems (reg. number: CZ.1.05/2.1.00/03.0111). This article was also created with support of the internal grant of TBU in Zlín no. IGA/FT/2013/015and IGA/FT/2014/018 funded from the resources of specific university research and national budget of Czech Republic. | Serial title, monograph or event: | Molecules | Volume: | 20 | Issue: | 4 | 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. | URI: | https://hdl.handle.net/10316/109236 | ISSN: | 1420-3049 | DOI: | 10.3390/molecules20045812 | Rights: | openAccess |
| Appears in Collections: | I&D CQC - Artigos em Revistas Internacionais |
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