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Direct formation of mixed micelles in the solubilization of phospholipid liposomes by Triton X-100.

Authors
  • López, O
  • de la Maza, A
  • Coderch, L
  • López-Iglesias, C
  • Wehrli, E
  • Parra, J L
Type
Published Article
Journal
FEBS Letters
Publisher
Wiley (John Wiley & Sons)
Publication Date
Apr 24, 1998
Volume
426
Issue
3
Pages
314–318
Identifiers
PMID: 9600258
Source
Medline
License
Unknown

Abstract

The vesicle to micelle transition which results in the interaction of the Triton X-100 surfactant with phosphatidylcholine vesicles was studied by means of dynamic light scattering (at different reading angles) and by freeze-fracture electron microscopy techniques. Vesicle solubilization was produced by the direct formation of mixed micelles without the formation of complex intermediate aggregates. Thus, vesicle to micelle transformation was mainly governed by the progressive formation of mixed micelles within the bilayer. A subsequent separation of these micelles from the liposome surface (vesicle perforation by the formation of surfactant-stabilized holes on the vesicle surface) led to a complete solubilization of liposomes.

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