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Migration of pyrene between lipid vesicles in aqueous solution. a stopped-flow study

✍ Scribed by Mats Almgren

Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
433 KB
Volume
71
Category
Article
ISSN
0009-2614

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✦ Synopsis

A fluorescence stopped-flow techmque rs described that has been used for the determination of the rate of migration of pyrene mokcules between smgle-wall lipid vesicles. The analysts of the evpenmental results suggests that the migration process occurs mainly via the aqueous phase at a rate bruited by the exrt of the pyrene molecules from the vesidw. The rate constant for the exit process was obtamed as 4 X LO* s-' at 25Β°C for pyrene in soybean !ecnhin vesicles containing 10% dicetylphosphate (vesrcle radius 320 A) m 20 mhi Trrss bufier (pIf = 7.4).

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