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Time-resolved small-angle neutron scattering of a micelle-to-vesicle transition

Abstract

Amphiphilic molecules spontaneously self-assemble in solution to form a variety of aggregates. Only limited information is available on the kinetics of the structural transitions as well as on the existence of non-equilibrium or metastable states. Aqueous mixtures of lecithin and bile salt are very interesting biological model-systems which exhibit a spontaneous transition from polymer-like mixed micelles to vesicles upon dilution. The small-angle neutron scattering (SANS) instrument D22, with its very high neutron flux and the broad range of scattering vectors covered in a single instrumental setting, allowed us for the first time to perform time-resolved scattering experiments in order to study the micelle-to-vesicle transition. The temporal evolution of the aggregate structures were followed and detailed information was obtained even on molecular length-scales. (author). 5 refs.
Authors:
Egelhaaf, S U; [1]  Schurtenberger, P [2] 
  1. Institut Max von Laue - Paul Langevin (ILL), 38 -Grenoble (France)
  2. Eidgenoessische Technische Hochschule, Zurich (Switzerland)
Publication Date:
Apr 01, 1997
Product Type:
Technical Report
Report Number:
ILL-RA-1996
Reference Number:
SCA: 665100; PA: AIX-29:017468; EDB-98:056614; SN: 98001951565
Resource Relation:
Other Information: DN: 5 refs.; PBD: Apr 1997; Related Information: Is Part Of Annual Report 96; PB: [121] p.
Subject:
66 PHYSICS; AGGLOMERATION; EQUILIBRIUM; LECITHINS; MICELLAR SYSTEMS; NEUTRON DIFFRACTION; PHASE TRANSFORMATIONS; SMALL ANGLE SCATTERING; TIME DEPENDENCE; TIME RESOLUTION
OSTI ID:
593245
Research Organizations:
Institut Max von Laue - Paul Langevin (ILL), 38 - Grenoble (France).
Country of Origin:
France
Language:
English
Other Identifying Numbers:
Other: ON: DE98617526; TRN: FR9704850017468
Availability:
INIS; OSTI as DE98617526
Submitting Site:
FRN
Size:
pp. 26-27
Announcement Date:
Jun 03, 1998

Citation Formats

Egelhaaf, S U, and Schurtenberger, P. Time-resolved small-angle neutron scattering of a micelle-to-vesicle transition. France: N. p., 1997. Web.
Egelhaaf, S U, & Schurtenberger, P. Time-resolved small-angle neutron scattering of a micelle-to-vesicle transition. France.
Egelhaaf, S U, and Schurtenberger, P. 1997. "Time-resolved small-angle neutron scattering of a micelle-to-vesicle transition." France.
@misc{etde_593245,
title = {Time-resolved small-angle neutron scattering of a micelle-to-vesicle transition}
author = {Egelhaaf, S U, and Schurtenberger, P}
abstractNote = {Amphiphilic molecules spontaneously self-assemble in solution to form a variety of aggregates. Only limited information is available on the kinetics of the structural transitions as well as on the existence of non-equilibrium or metastable states. Aqueous mixtures of lecithin and bile salt are very interesting biological model-systems which exhibit a spontaneous transition from polymer-like mixed micelles to vesicles upon dilution. The small-angle neutron scattering (SANS) instrument D22, with its very high neutron flux and the broad range of scattering vectors covered in a single instrumental setting, allowed us for the first time to perform time-resolved scattering experiments in order to study the micelle-to-vesicle transition. The temporal evolution of the aggregate structures were followed and detailed information was obtained even on molecular length-scales. (author). 5 refs.}
place = {France}
year = {1997}
month = {Apr}
}