Kinetic study on giant vesicle formation with electroformation method

Toshinori Shimanouchi; Hiroshi Umakoshi; Ryoichi Kuboi

doi:10.1021/la8040488

Kinetic study on giant vesicle formation with electroformation method

Toshinori Shimanouchi, Hiroshi Umakoshi, Ryoichi Kuboi

Research output: Contribution to journal › Article › peer-review

42 Citations (Scopus)

Abstract

Giant vesicles (GVs) composed of zwitterionic phospholipids were prepared by the electroformation method. The growth behavior of GVs was quantitatively analyzed as a first-order kinetics of the radius of GVs to obtain the apparent growth rate constant k_Gr. On the basis of the dependence of the k_Gr value on the preparation temperature and the lipid composition of GVs, the membrane fluidity of vesicle membranes was found to be dominant in the growth behavior of GVs. The comparison of the k_Gr values with the membrane fluidity for GVs suggested the validity of the model that the swelling of the lipid membrane could induce the growth of GVs.

Original language	English
Pages (from-to)	4835-4840
Number of pages	6
Journal	Langmuir
Volume	25
Issue number	9
DOIs	https://doi.org/10.1021/la8040488
Publication status	Published - May 5 2009
Externally published	Yes

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Surfaces and Interfaces
Spectroscopy
Electrochemistry

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AB - Giant vesicles (GVs) composed of zwitterionic phospholipids were prepared by the electroformation method. The growth behavior of GVs was quantitatively analyzed as a first-order kinetics of the radius of GVs to obtain the apparent growth rate constant kGr. On the basis of the dependence of the kGr value on the preparation temperature and the lipid composition of GVs, the membrane fluidity of vesicle membranes was found to be dominant in the growth behavior of GVs. The comparison of the kGr values with the membrane fluidity for GVs suggested the validity of the model that the swelling of the lipid membrane could induce the growth of GVs.

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Kinetic study on giant vesicle formation with electroformation method

Abstract

ASJC Scopus subject areas

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