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The hydration of phospholipids

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1974 English Publisher:Elsevier BVJournal:Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism, volume 337, pages 79-91 (issn: 0005-2760,

Authors: Gordon L. Jendrasiak; James H. Hasty;

doi: 10.1016/0005-2760(74)90042-3

pmid: 4474012

The hydration of phospholipids

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Abstract

Abstract The adsorption isotherms of egg phosphatidylcholine, egg phosphatidylethanolamine and bovine phosphatidylserine, in both their lyso and diacyl forms, have been determined in an examination of the hydration characteristics of films of these phospholipids. It appears that the diacyl phosphatidylcholine lipid has a higher affinity for water than diacyl phosphatidylethanolamine or diacyl phosphatidylserine. The lyso form of phosphatidylcholine and phosphatidylethanolamine display similar isotherms as compared to their respective diacyl counterparts. The lyso form of bovine phosphatidylserine, displays an isotherm which differs greatly from that of its diacyl form. Cholesterol is found to increase the hydration of phosphatidylcholine when complexdee with this phospholipid. Increasing the number of double bonds in the hydrocarbon chains of phosphatidylcholine is also found to increase the hydration of this phospholipid. The nature of the polar head-group and the hydrocarbon chain thus both have an effect on the hydration of phospholipids.

Related Organizations

University of Illinois at Urbana Champaign
United States
University of Illinois System
United States

Keywords

Binding Sites, Chemical Phenomena, Cardiolipins, Chemistry, Physical, Phosphatidylethanolamines, Phosphatidylserines, Egg Yolk, Molecular Weight, Kinetics, Cholesterol, Microscopy, Electron, Scanning, Phosphatidylcholines, Animals, Calcium, Cattle, Female, Magnesium, Adsorption, Chromatography, Thin Layer, Phospholipids

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	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%