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Issue 77, 2014

Probing the location of methanol in methanol/AOT/n-heptane system: true microemulsion or bi-continuous medium?

Author affiliations

Abstract

Whether methanol can be effectively encapsulated within a reverse micellar core to form a true microemulsion is still a matter of debate. Thus, in this contribution, we have reported the modified photophysics of a potential chloride channel blocker 9-methyl anthroate (9-MA) in methanol/AOT/n-heptane reverse micelles and methanol/n-heptane binary mixture in order to assess the location of methanol by means of steady-state and time-resolved fluorescence spectroscopic techniques. By comparing the striking similarity between the photophysics of the probe in the methanol/AOT/n-heptane system and in the methanol/n-heptane binary mixture, we conclude that methanol does not form a true microemulsion but rather remains dissolved in the bulk nonpolar phase forming a bi-continuous medium owing to an appreciable mutual solubility between n-heptane and methanol.

Graphical abstract: Probing the location of methanol in methanol/AOT/n-heptane system: true microemulsion or bi-continuous medium?

Supplementary files

Article information


Submitted
19 May 2014
Accepted
27 Aug 2014
First published
28 Aug 2014

RSC Adv., 2014,4, 41122-41128
Article type
Paper

Probing the location of methanol in methanol/AOT/n-heptane system: true microemulsion or bi-continuous medium?

A. Ganguly, B. K. Paul, S. Ghosh and N. Guchhait, RSC Adv., 2014, 4, 41122 DOI: 10.1039/C4RA04713C

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