Physico-Chemical Experiments with Phosphatidyl Ethanolamine Sols
- 1 September 1963
- journal article
- research article
- Published by Oxford University Press (OUP) in Journal of Pharmacy and Pharmacology
- Vol. 15 (1) , 157-166
- https://doi.org/10.1111/j.2042-7158.1963.tb12765.x
Abstract
The solubilities of phosphatidylethanolamine (PE) in some organic solvents have been determined. The results of surface tension studies of aqueous sols of PE show that it has marked surface-active properties and surface ageing occurs. The effect of pH, concentration, mono- and divalent salts on surface activity has been investigated, and discussed in the light of previous theories. The critical micelle concentration is in the range 0·002 to 0·01 per cent w/v. The isoelectric point is at pH 3·1. The effect of mono- and divalent salts on the stability of PE sols has been studied.Keywords
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