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J Am Chem Soc. 2016 Mar 2;138(8):2552-5. doi: 10.1021/jacs.6b00537. Epub 2016 Feb 18.

Spin State As a Probe of Vesicle Self-Assembly.

Author information

1
SRSMC, UMR 7565, Université de Lorraine/CNRS , F-54506 Vandoeuvre-lès-Nancy, France.
2
Institut Jean Lamour, UMR 7198, Université de Lorraine/CNRS , F-54506 Vandoeuvre-lès-Nancy, France.
3
School of Chemistry, University of Bristol , Cantock's Close, Bristol, BS8 1TS, U.K.
4
Rutherford Appleton Laboratory, ISIS Facility, Chilton, Oxfordshire OX11 0QX, U.K.
5
Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504 CNRS - Université de Strasbourg , 23 rue du Loess, BP 43, 67034 Strasbourg cedex 2, France.

Abstract

A novel system of paramagnetic vesicles was designed using ion pairs of iron-containing surfactants. Unilamellar vesicles (diameter ≈ 200 nm) formed spontaneously and were characterized by cryogenic transmission electron microscopy, nanoparticle tracking analysis, and light and small-angle neutron scattering. Moreover, for the first time, it is shown that magnetization measurements can be used to investigate self-assembly of such functionalized systems, giving information on the vesicle compositions and distribution of surfactants between the bilayers and the aqueous bulk.

PMID:
26859700
DOI:
10.1021/jacs.6b00537

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