Surfactant self-assembly in the gas phase: bis(2-ethylhexyl)sulfosuccinate-alkaline metal ion aggregates

The Journal of Physical Chemistry. B
Gianluca GiorgiV Turco Liveri

Abstract

The coating effect of alkali metal salt clusters by the surfactant anion bis(2-ethylhexyl)sulfosuccinate has been investigated by electrospray ionization mass spectrometry (MS) and MS/MS. The analysis of the data emphasized the formation and stability in the gas phase of reverse micelle-like surfactant aggregates carrying in their interior ionic clusters. Two main contributions have been postulated to account for the observed stability: intra-aggregate electrostatic interactions and screening of inter-aggregate attractive interactions due to the exclusion volume effect caused by the surfactant alkyl chains. Moreover, the stability and structural arrangement of these supramolecular aggregates result in strong dependency on the alkali metal salt identity.

References

Aug 19, 2006·Advances in Colloid and Interface Science·P C GriffithsR Watanesk
Jun 2, 2007·The Journal of Physical Chemistry. a·Anne-Marie BoulangerPaul M Mayer
Jun 26, 2007·Journal of the American Chemical Society·Michal SharonCarol V Robinson

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Citations

Jun 28, 2014·Journal of the American Society for Mass Spectrometry·Giovanna LonghiVincenzo Turco Liveri
Jun 27, 2015·Mass Spectrometry Reviews·David BongiornoSerena Indelicato
Nov 5, 2014·Rapid Communications in Mass Spectrometry : RCM·Serena IndelicatoLeopoldo Ceraulo
Jun 17, 2009·Rapid Communications in Mass Spectrometry : RCM·Gianluca GiorgiVincenzo Turco Liveri
Sep 8, 2012·Rapid Communications in Mass Spectrometry : RCM·Gianluca GiorgiVincenzo Turco Liveri
Jan 25, 2011·Journal of Mass Spectrometry : JMS·David BongiornoVincenzo Turco Liveri
Jun 5, 2014·European Journal of Mass Spectrometry·David BongiornoLeopoldo Ceraulo
Jan 13, 2010·European Journal of Mass Spectrometry·David BongiornoVincenzo Turco Liveri
Jan 26, 2012·European Journal of Mass Spectrometry·Leopoldo CerauloSergio Indelicato
Apr 30, 2010·Physical Chemistry Chemical Physics : PCCP·Giovanna LonghiFabrizio Gangemi
Oct 4, 2012·Physical Chemistry Chemical Physics : PCCP·Antoni J Borysik, Carol V Robinson
Apr 20, 2012·Langmuir : the ACS Journal of Surfaces and Colloids·Antoni J Borysik, Carol V Robinson

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