Rheology of Sodium Hyaluronate under Physiological Conditions
- 16 January 2001
- journal article
- research article
- Published by American Chemical Society (ACS) in Biomacromolecules
- Vol. 2 (1) , 65-69
- https://doi.org/10.1021/bm0055798
Abstract
Sodium hyaluronate NaHA in phosphate-buffered saline behaves as a typical polyelectrolyte in the high-salt limit, as Newtonian viscosities are observed over a wide range of shear rates. There is no evidence of intermolecule hydrogen bonding causing gel formation in NaHA solutions without protein present. The concentration dependences of viscosity, relaxation time, and terminal modulus are consistent with observations on flexible, neutral polymers in good solvents, which are known to be in the same universality class as flexible polyelectrolytes in the presence of excess salt.Keywords
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