small unilamellar vesicles of egg phosphatidylcholine ( pc ) or dimyristoylphosphatidylcholine , mixed with small unilamellar vesicles labelled with 2- ( 10- ( 1-pyrene ) decanoyl ) phosphatidylcholine , exhibit a constant average size and excimer to monomer ( e/m ) ratio for several hours when incubated at ph 3.6 at a temperature higher than the phase transition temperature ( tc ) of the lipids .
C0012456
dimyristoylphosphatidylcholine
C1959616
phosphatidylcholine