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Complexes (lipoplexes) between cationic liposomes and single-strand oligodeoxynucleotides (ODN) are potential delivery systems for antisense therapy. The nanometer-scale morphology of these assemblies is relevant to their transfection efficiency. In this work the monocationic lipid dioleoyloxytrimethylammoniumpropane, the neutral “helper” lipid cholesterol, and an 18-mer anti-bcl2 ODN were combined...
The vesicle-micelle transition of egg phosphatidylcholine (PC) and sodium cholate was described by comparing cryo-transmission electron microscopic (cryo-TEM) images of the structures formed to the associated turbidity changes. These experiments were designed to identify the morphology of the intermediates between vesicles and small spheroidal mixed micelles. With increasing cholate concentration,...
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