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Cited by 575

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Production of Unilamellar Vesicles Using an Inverted Emulsion

Pautot, Sophie, Frisken, Barbara J., Weitz, D. A.·2003·Langmuir
DOI 10.1021/la026100v
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Abstract

We investigate a method for the controlled assembly of unilamellar vesicles consisting of bilayers assembled one leaflet at a time. We use water-in-oil emulsions stabilized by the material for the inner leaflet and produce vesicles by passing the water droplets through a second oil−water interface, where they become coated with the outer leaflet. We have used this technique to form vesicles from lipids, mixed lipid and surfactant systems, and diblock copolymers. The stability of lipid-stabilized emulsions limits the range of sizes that can be produced and the vesicle yield; nevertheless, there are several advantages with this emulsion-based technique: It is possible to make unilamellar vesicles with sizes ranging from 100 nm to 1 μm. Moreover, the process allows for efficient encapsulation and ensures that the contents of the vesicles remain isolated from the continuous aqueous phase. To illustrate possible applications of this technique, we demonstrate the use of vesicles as microreactors where we polymerize actin through the addition of magnesium and show that the polymerization kinetics are unaffected by the encapsulation.

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Metadata

Authors
Pautot, S., Frisken, B. J., & Weitz, D. A.
Venue
Langmuir
Publisher
American Chemical Society (ACS)
Published
2003-02-19
Volume
19
Issue
7
Pages
2870-2879
ISSN
  • 0743-7463 (ISSN-L)
  • 1520-5827
DOI
10.1021/la026100v
OpenAlex
W1971216177
Cited by
575
References
0
FWCI
1.29
Type
journal article
Language
en
Open access
closed

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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