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Literature DB >> 10485870

Dynamics of transient pores in stretched vesicles.

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.

Entities: Disease

Mesh：

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Year: 1999 PMID： 10485870 PMCID： PMC17927 DOI： 10.1073/pnas.96.19.10591

Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN： 0027-8424 Impact factor: 11.205

11 in total

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3. Microinterferometry: Three-Dimensional Reconstruction of Surface Microtopography for Thin-Film and Wetting Studies by Reflection Interference Contrast Microscopy (RICM).

Authors: G Wiegand; K R Neumaier; E Sackmann
Journal: Appl Opt Date: 1998-10-10 Impact factor: 1.980

4. Dynamical fluctuations of droplet microemulsions and vesicles.

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Journal: Phys Rev A Gen Phys Date: 1987-11-01

5. The life and death of "Bare" viscous bubbles

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Journal: Science Date: 1998-03-13 Impact factor: 47.728

6. Opening-up of liposomal membranes by talin.

Authors: A Saitoh; K Takiguchi; Y Tanaka; H Hotani
Journal: Proc Natl Acad Sci U S A Date: 1998-02-03 Impact factor: 11.205

7. Drug delivery: piercing vesicles by their adsorption onto a porous medium.

Authors: M A Guedeau-Boudeville; L Jullien; J M di Meglio
Journal: Proc Natl Acad Sci U S A Date: 1995-10-10 Impact factor: 11.205

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Authors: R Singhvi; A Kumar; G P Lopez; G N Stephanopoulos; D I Wang; G M Whitesides; D E Ingber
Journal: Science Date: 1994-04-29 Impact factor: 47.728

9. Targeted gene transfer into hepatoma cells with lipopolyamine-condensed DNA particles presenting galactose ligands: a stage toward artificial viruses.

Authors: J S Remy; A Kichler; V Mordvinov; F Schuber; J P Behr
Journal: Proc Natl Acad Sci U S A Date: 1995-02-28 Impact factor: 11.205

Review 10. Nonviral gene therapy: the promise of genes as pharmaceutical products.

Authors: F D Ledley
Journal: Hum Gene Ther Date: 1995-09 Impact factor: 5.695

81 in total

Review 1. Conformational dynamics of vesicles.

Authors: P Pincus
Journal: Proc Natl Acad Sci U S A Date: 1999-09-14 Impact factor: 11.205

Dynamics of transient pores in stretched vesicles.

1. Viscous bursting of suspended films.

2. Entropy-driven tension and bending elasticity in condensed-fluid membranes.

3. Microinterferometry: Three-Dimensional Reconstruction of Surface Microtopography for Thin-Film and Wetting Studies by Reflection Interference Contrast Microscopy (RICM).

4. Dynamical fluctuations of droplet microemulsions and vesicles.

5. The life and death of "Bare" viscous bubbles

6. Opening-up of liposomal membranes by talin.

7. Drug delivery: piercing vesicles by their adsorption onto a porous medium.

8. Engineering cell shape and function.

9. Targeted gene transfer into hepatoma cells with lipopolyamine-condensed DNA particles presenting galactose ligands: a stage toward artificial viruses.

Review 10. Nonviral gene therapy: the promise of genes as pharmaceutical products.

Review 1. Conformational dynamics of vesicles.

2. Coherent scattering in multi-harmonic light microscopy.

3. Cascades of transient pores in giant vesicles: line tension and transport.

4. Second harmonic generation microscopy for quantitative analysis of collagen fibrillar structure.

5. Dynamic tension spectroscopy and strength of biomembranes.

6. Adhesively-tensed cell membranes: lysis kinetics and atomic force microscopy probing.

7. Model of creation and evolution of stable electropores for DNA delivery.

8. Giant lipid vesicles filled with a gel: shape instability induced by osmotic shrinkage.

9. Hydrodynamic flow in a synaptic cleft during exocytosis.

10. Aqueous viscosity is the primary source of friction in lipidic pore dynamics.