volume 145, issue 1, P27-36 2007
DOI: 10.1016/j.chemphyslip.2006.10.002
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Abstract: Through the analysis of the ESR spectra of spin labels, we investigated the thermotropic properties of dioctadecyl dimethylammonium bromide (DODAB) liposomes, in low and high ionic strength, with different cholesterol contents. The cationic lipid gel phase is stabilized by the presence of ions, the bilayer having a higher gel/fluid transition temperature (Tm) in high ionic strength. As found for low ionic strength [Benatti, C.R., Feitosa, E., Fernandez, R.M., Lamy-Freund, M.T., 2001. Structural and thermal cha…

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