Dynamics of transient pores in stretched vesicles.
basic_science · Level V
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- Record sourced from PubMed, PMID 10485870.
- Also identified by PMC identifier 17927.
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Abstract
We image macroscopic transient pores in mechanically stretched giant vesicles. Holes open above a critical radius r(c1), grow up to a radius r(c2), and close. We interpret the upper limit r(c2) 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.
Medical subject headings
- Cell Membrane Permeability
- Membranes, Artificial