Temperature dependence of calcium-induced fusion of sonicated phosphatidylserine vesicles.
نویسندگان
چکیده
منابع مشابه
Effect of cholesterol on Ca2+-induced aggregation and fusion of sonicated phosphatidylserine/cholesterol vesicles.
Small unilamellar vesicles composed of phosphatidylserine (PS) and cholesterol at various ratios were employed in studying the effect of cholesterol on Ca2+-induced vesicle aggregation and fusion using the Tb/dipicolinic acid assay. The leakage of preencapsulated Tb3+ was also measured. The analysis of the data provided estimates for the rate of aggregation C11, and the rate of fusion per se, f...
متن کاملEffect of diacylglycerols on calcium-induced fusion of phosphatidylserine/phosphatidylcholine vesicles.
forming lipids are removed and thus the constraints on formation of non-bilayer structures are reduced. The action of cryopreservatives, based on these effects of temperature and water activity on thc phase behaviour o f membrane lipids, may be predicted to affect membrane lipids in such a way as t o preserve the phase bchaviour close t o that prevailing at physiological temperatures. Thus cryo...
متن کاملFrequency dependence of 31P NMR linewidths in sonicated phospholipid vesicles: effects of chemical shift anisotropy.
Phosphorus nuclear magnetic resonance (3’P NMR) is an increasingly important physical technique for the elucidation of structural features of phospholipid bilayer membranes [l-S] . In sonicated vesicles, however, the chemical shift differences between different classes of phospholipids are of approximately the same magnitude as the widths of the resonances themselves [5,6]. For many application...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1978
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.75.9.4325