Journal
JOURNAL OF PHYSICAL CHEMISTRY B
Volume 110, Issue 26, Pages 13005-13010Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp062129m
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We report on the dynamics of a chromophore sequestered within the nonpolar regions of micelles and unilamellar vesicles comprised of decanoic acid/sodium decanoate. We find that there is a measurable difference in the motional dynamics of the chromophore perylene in these two nonpolar media, with the vesicle structure forming a somewhat less viscous environment than the micelle. In all cases, the chromophore reorients as a prolate rotor, implying a local environment with a nominally similar shape for both micelle and vesicle structures. These findings demonstrate that the organization of micelles is measurably different than that of bilayers.
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