NDLI: Distribution of fluorocarbon quencher among micelles via pyrene fluorescence probe method

Content Provider	Springer Nature Link
Author	Asakawa, T. Saruta, A. Miyagishi, S.
Copyright Year	1997
Abstract	Fluorescence-quenching of pyrene in micellar system has been investigated using 1,1,2,2-tetrahydroheptadecafluorodecylpyridinium chloride (HFDePC). The new fluorocarbon quencher has a similar quenching ability as hexadecylpyridinium chloride (CPC) towards pyrene in hydrocarbon micelles if only a quencher molecule is solubilized in a micelle. The fluorocarbon quencher randomly distributed among micelles if the average occupancy number of probes per a micelle was small enough. The fluorescence behavior of pyrene was examined for hexadecyltrimethylammonium chloride (CTAC) and HFDePC mixtures. The variation of fluorescence intensity gave second cmc, reflecting the micellar immiscibility of fluorocarbon and hydrocarbon surfactants. The second cmc can be simulated by material balances of both surfactants supposing the coexistence of two kinds of mixed micelles. The fluorescence-quenching behavior suggested the enhanced micellar immiscibility probably due to nonrandom distribution of fluorocarbon quenchers among micelles.
Starting Page	958
Ending Page	963
Page Count	6
File Format	PDF
ISSN	0303402X
Journal	Colloid and Polymer Science
Volume Number	275
Issue Number	10
e-ISSN	14351536
Language	English
Publisher	Springer-Verlag
Publisher Date	1997-01-01
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cationic surfactant mixture fluorocarbon quencher micropolarity micellar immiscibility pyrene fluorescence quenching Polymer Sciences Soft Matter, Complex Fluids Characterization and Evaluation of Materials Physical Chemistry Food Science
Content Type	Text
Resource Type	Article
Subject	Colloid and Surface Chemistry Materials Chemistry Physical and Theoretical Chemistry Polymers and Plastics

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