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Reversibility of Sodium-Induced Aggregation of Sonicated Phosphatidylserine Vesicles
Journal article   Open access   Peer reviewed

Reversibility of Sodium-Induced Aggregation of Sonicated Phosphatidylserine Vesicles

E. P. Day, A. Y. W. Kwok, S. K. Hark, J. T. Ho, W. J. Vail, J. Bentz and S. Nir
Proceedings of the National Academy of Sciences - PNAS, v 77(7), pp 4026-4029
01 Jul 1980
PMID: 6933449
url
https://doi.org/10.1073/pnas.77.7.4026View
Published, Version of Record (VoR)Open Access (License Unspecified) Open

Abstract

Aggregation Bile acids Dimerization Dimers Kinetics Light refraction Phosphatidylserines Sodium Temperature dependence Wavelengths
The kinetics of sodium-induced aggregation of sonicated phosphatidylserine vesicles has been studied as a function of sodium concentration and temperature. The concentration threshold for aggregation induced by monovalent sodium has been found to be 550 mM sodium by stopped-flow rapid-mixing techniques. This aggregation is completely reversible to changes in sodium ion concentration and to changes in temperature. The aggregation rate decreases with increasing temperature, indicating that the backward reaction rate increases more rapidly with temperature than does the forward rate.

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Collaboration types
Domestic collaboration
Web of Science research areas
Biology
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