Dynamics of the Self-Assembly of Unilamellar Vesicles

T. M. Weiss, T. Narayanan, C. Wolf, M. Gradzielski, P. Panine, S. Finet, and W. I. Helsby
Phys. Rev. Lett. 94, 038303 – Published 28 January 2005

Abstract

We have studied the transient stages in the formation of unilamellar vesicles with millisecond time resolution. The self-assembly was initiated by rapid mixing of equimolar amounts of anionic and zwitterionic micelles and the transient micellar entities were probed by time-resolved small-angle x-ray scattering. Within the mixing time, original micelles transformed to disklike micelles which evolved further to a critical size and then closed to form monodisperse unilamellar vesicles within a second. Subsequent growth led to an unexpected broadening of the vesicle size distribution.

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  • Received 7 May 2004

DOI:https://doi.org/10.1103/PhysRevLett.94.038303

©2005 American Physical Society

Authors & Affiliations

T. M. Weiss1, T. Narayanan1,*, C. Wolf2, M. Gradzielski2,†, P. Panine1, S. Finet1, and W. I. Helsby3

  • 1European Synchrotron Radiation Facility, BP 220, F-38043 Grenoble Cedex, France
  • 2Lehrstuhl für Physikalische Chemie I, Universität Bayreuth, D-95440 Bayreuth, Germany
  • 3Daresbury Laboratory, Cheshire, WA4 4AD, United Kingdom

  • *Corresponding author. Email address: narayan@esrf.fr
  • Present address: Technische Universitaet Berlin, D-10623 Berlin, Germany. Email address: michael.gradzielski@tu-berlin.de

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Vol. 94, Iss. 3 — 28 January 2005

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