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Association behaviour of glucitol amine gemini surfactants

Self-consistent-field theory and molecular-dynamics simulations

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The European Physical Journal E Aims and scope Submit manuscript

Abstract:

The association behaviour of a number of glucitol amine gemini surfactants has been investigated by means of molecular dynamics and self-consistent-field calculations. We have shown that the titratable head group of the surfactant is responsible for a micelle-to-membrane transition when changing the pH. Furthermore, the association structure of this group of surfactants is shown to be very sensitive to ionic strength. The combination of a charged head group, a spacer, and the hydrophilic glucitol side chains is responsible for the possible structural transitions in the associates as a function of ionic strength and pH.

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Authors and Affiliations

  1. Lund University, Center for Chemistry and Chemical Engineering, Physical Chemistry 1, P. O. Box 124, 221 00 Lund, Sweden, Lund, Sweden

    M.C.P. van Eijk

  2. University of Groningen, Stratingh Institute, Physical Organic Chemistry Unit, Nijenborgh 4, 9747 AG Groningen, The Netherlands, Groningen, The Netherlands

    M. Bergsma

  3. University of Groningen, Department of Biophysical Chemistry, Nijenborgh 4, 9747 AG Groningen, The Netherlands, Groningen, The Netherlands

    S.-J. Marrink

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  1. M.C.P. van Eijk
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  2. M. Bergsma
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  3. S.-J. Marrink
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Received: 12 January 2002 and Received in final form 10 March 2002

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van Eijk, M., Bergsma, M. & Marrink, SJ. Association behaviour of glucitol amine gemini surfactants. Eur. Phys. J. E 7, 317–324 (2002). https://doi.org/10.1140/epje/i2002-10012-6

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  • DOI: https://doi.org/10.1140/epje/i2002-10012-6

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