Abstract
1. 1. By freeze fracturing electron microscopy regular band patterns were visualized on fracture faces of liposomes prepared from dimyristoylphosphatidylcholine, dielaidoylphosphatidylcholine, and 1-oleoyl-2-stearoylphosphatidylcholine below their respective transition temperatures. Above these temperatures only smooth fracture faces were observed.
2. 2. Liposomes of these phospholipids prepared after addition of more than 20 mole
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