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Dynamics of transient pores in stretched vesicles

Authors
Publisher
The National Academy of Sciences
Publication Date
Source
PMC
Keywords
  • Physical Sciences

Abstract

We image macroscopic transient pores in mechanically stretched giant vesicles. Holes open above a critical radius rc1, grow up to a radius rc2, and close. We interpret the upper limit rc2 by a relaxation of the membrane tension as the holes expand. The closing of the holes is caused by a further relaxation of the surface tension when the internal liquid leaks out. A dynamic model fits our data for the growth and closure of pores.

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