Rheology of sodium hyaluronate under physiological conditions

W. E. Krause, E. G. Bellomo, R. H. Colby

Research output: Contribution to journalArticlepeer-review

200 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)65-69
Number of pages5
Issue number1
StatePublished - 2001

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Materials Chemistry
  • Polymers and Plastics
  • Biomaterials


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