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(1) A significant seasonal variation in the membrane fluidity (as sensed by DPH-fluorescence polarization), membrane lipid components (phospholipid and neutral lipid), fatty acid composition of membrane phospholipid (phosphatidylcholine, phosphatidylethanolamine and sphingomyelin), positional distribution of fatty acids at Sn-1 and Sn-2 position of phosphatidyl-choline and -ethanolamine is noticed...
We describe a series of molecular dynamics simulations performed on a model of charged lipid bilayer (dipalmitoylphosphatidylserine) and water, in presence of sodium and lithium ions, with an atomic detail. The structure of the lipid membranes was strongly affected by the presence of lithium, as manifested by the observation of a transition from a disordered to a gel state. Concerning the mechanism...
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