Activities and viscosities of aqueous bile acid salt-lecithin solutions

E. L. Cussler, C. L. Duncan

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Isopiestic and viscosity measurements on aqueous sodium cholate-lecithin solutions are reported at high concentrations which include the physiological region as a lower limit. At low cholate concentration, the addition of lecithin increases the activity of water, consistent with earlier studies showing increases of micellar weights. At higher cholate concentrations, the activity of water is independent of lecithin concentrations. Studies of binary solutions of bile acid salts and detergents agree very closely with earlier work.

Original languageEnglish (US)
Pages (from-to)269-277
Number of pages9
JournalJournal of Solution Chemistry
Issue number3
StatePublished - Sep 1972
Externally publishedYes


  • Isopiestic
  • bile salts
  • gallbladder
  • lecithin
  • number micelles
  • solubilization


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