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Article

Effect of Hofmeister Ions on Transport Properties of Aqueous Solutions of Sodium Hyaluronate

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Department of Physics and Materials Engineering, Faculty of Technology, Tomas Bata University in Zlín, Vavrečkova 275, 760 01 Zlín, Czech Republic
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Centre of Polymer Systems, Tomas Bata University in Zlín, tř. Tomáše Bati 5678, 760 01 Zlín, Czech Republic
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Department of Fat, Surfactant and Cosmetics Technology, Faculty of Technology, Tomas Bata University in Zlín, Vavrečkova 275, 762 72 Zlín, Czech Republic
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Department of Chemistry, University of Coimbra, CQC, 3004-535 Coimbra, Portugal
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U.D. Química Física, Universidad de Alcalá, 28871 Alcalá de Henares, Spain
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Universidad Católica Santa Teresa de Jesús de Ávila, Calle los Canteros s/n, 05005 Ávila, Spain
*
Authors to whom correspondence should be addressed.
Academic Editor: Alexander B. Doktorov
Int. J. Mol. Sci. 2021, 22(4), 1932; https://doi.org/10.3390/ijms22041932
Received: 24 January 2021 / Revised: 10 February 2021 / Accepted: 11 February 2021 / Published: 16 February 2021
Tracer diffusion coefficients obtained from the Taylor dispersion technique at 25.0 °C were measured to study the influence of sodium, ammonium and magnesium salts at 0.01 and 0.1 mol dm−3 on the transport behavior of sodium hyaluronate (NaHy, 0.1%). The selection of these salts was based on their position in Hofmeister series, which describe the specific influence of different ions (cations and anions) on some physicochemical properties of a system that can be interpreted as a salting-in or salting-out effect. In our case, in general, an increase in the ionic strength (i.e., concentrations at 0.01 mol dm−3) led to a significant decrease in the limiting diffusion coefficient of the NaHy 0.1%, indicating, in those circumstances, the presence of salting-in effects. However, the opposite effect (salting-out) was verified with the increase in concentration of some salts, mainly for NH4SCN at 0.1 mol dm−3. In this particular salt, the cation is weakly hydrated and, consequently, its presence does not favor interactions between NaHy and water molecules, promoting, in those circumstances, less resistance to the movement of NaHy and thus to the increase of its diffusion (19%). These data, complemented by viscosity measurements, permit us to have a better understanding about the effect of these salts on the transport behaviour of NaHy. View Full-Text
Keywords: sodium hyaluronate; transport properties; viscosity; Hofmeister series sodium hyaluronate; transport properties; viscosity; Hofmeister series
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MDPI and ACS Style

Musilová, L.; Mráček, A.; Kašpárková, V.; Minařík, A.; Valente, A.J.M.; Azevedo, E.F.G.; Veríssimo, L.M.P.; Rodrigo, M.M.; Esteso, M.A.; Ribeiro, A.C.F. Effect of Hofmeister Ions on Transport Properties of Aqueous Solutions of Sodium Hyaluronate. Int. J. Mol. Sci. 2021, 22, 1932. https://doi.org/10.3390/ijms22041932

AMA Style

Musilová L, Mráček A, Kašpárková V, Minařík A, Valente AJM, Azevedo EFG, Veríssimo LMP, Rodrigo MM, Esteso MA, Ribeiro ACF. Effect of Hofmeister Ions on Transport Properties of Aqueous Solutions of Sodium Hyaluronate. International Journal of Molecular Sciences. 2021; 22(4):1932. https://doi.org/10.3390/ijms22041932

Chicago/Turabian Style

Musilová, Lenka, Aleš Mráček, Věra Kašpárková, Antonín Minařík, Artur J.M. Valente, Eduarda F.G. Azevedo, Luis M.P. Veríssimo, M. M. Rodrigo, Miguel A. Esteso, and Ana C.F. Ribeiro 2021. "Effect of Hofmeister Ions on Transport Properties of Aqueous Solutions of Sodium Hyaluronate" International Journal of Molecular Sciences 22, no. 4: 1932. https://doi.org/10.3390/ijms22041932

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