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A Non-Steroidal Facial Amphiphile

Authors: Jennifer L. Sorrells; Fredric M. Menger;

A Non-Steroidal Facial Amphiphile

Abstract

This paper gives the synthesis of an unusual non-steroidal amphiphile consisting of a large rigid molecule that possesses two water-solubilizing sulfates on one face and an extended hydrophobic surface on the other. The properties of this compound have been examined by X-ray analysis, light and cryo-electron microscopy, surface tension, conductivity, microrheology, and NMR. Aqueous solutions behave quite differently from those of a conventional amphiphile with long linear and flexible chains (e.g., sodium dodecyl sulfate). Thus, there is evidence that the facial amphiphile self-assembles to form viscous networks, but without the traditional critical micelle concentration, as if assembly is a stepwise process. Emulsions of toluene in water promoted by the facial amphiphile are stable for many months. In contrast to conventional surfactants, the NMR peaks are obliterated in aqueous solutions of the facial amphiphile. Both X-ray and cryo-HRSEM data suggest a lamellar morphology.

Related Organizations
Keywords

Anthracenes, Surface-Active Agents, Microscopy, Electron, Scanning, Dicarboxylic Acids, Crystallography, X-Ray, Hydrophobic and Hydrophilic Interactions, Norbornanes

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    15
    popularity
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    influence
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Powered by OpenAIRE graph
Found an issue? Give us feedback
citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
15
Average
Average
Top 10%
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