Enforced unbinding of bead adhering to a biomembrane by generic forces

被引：25

作者：

Boulbitch, A ^{[1
]}

机构：

[1] Tech Univ Munich, Dept Biophys E22, D-85747 Garching, Germany

来源：

EUROPHYSICS LETTERS | 2002年 / 59卷 / 06期

关键词：

D O I：

10.1209/epl/i2002-00129-8

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We describe the enforced unbinding of a bead from i) a supported membrane, and ii) a cell surface. The force necessary to unbind the bead is obtained and is shown to be within the range accessible in micromechanical experiments.

引用

页码：910 / 915

页数：6

共 32 条

[1] Local measurements of viscoelastic parameters of adherent cell surfaces by magnetic bead microrheometry [J].

Bausch, AR ;

Ziemann, F ;

Boulbitch, AA ;

Jacobson, K ;

Sackmann, E .

BIOPHYSICAL JOURNAL, 1998, 75 (04) :2038-2049

[2] Discrete interactions in cell adhesion measured by single-molecule force spectroscopy [J].

Benoit, M ;

Gabriel, D ;

Gerisch, G ;

Gaub, HE .

NATURE CELL BIOLOGY, 2000, 2 (06) :313-317

[3] Strain of a biomembrane caused by a local tangential force: Application to magnetic tweezer measurements [J].

Boulbitch, AA .

PHYSICAL REVIEW E, 1999, 59 (03) :3402-3407

[4] Strength of a weak bond connecting flexible polymer chains [J].

Evans, E ;

Ritchie, K .

BIOPHYSICAL JOURNAL, 1999, 76 (05) :2439-2447

[5] PHYSICAL-PROPERTIES OF SURFACTANT BILAYER-MEMBRANES - THERMAL TRANSITIONS, ELASTICITY, RIGIDITY, COHESION, AND COLLOIDAL INTERACTIONS [J].

EVANS, E ;

NEEDHAM, D .

JOURNAL OF PHYSICAL CHEMISTRY, 1987, 91 (16) :4219-4228

[6] SYNCHRONY OF CELL SPREADING AND CONTRACTION FORCE AS PHAGOCYTES ENGULF LARGE PATHOGENS [J].

EVANS, E ;

LEUNG, A ;

ZHELEV, D .

JOURNAL OF CELL BIOLOGY, 1993, 122 (06) :1295-1300

[7] ENERGETICS OF MEMBRANE DEFORMATION AND ADHESION IN CELL AND VESICLE AGGREGATION [J].

EVANS, EA ;

PARSEGIAN, VA .

ANNALS OF THE NEW YORK ACADEMY OF SCIENCES, 1983, 416 (DEC) :13-33

[8]

FILHO FCES, 1990, CELL BIOPHYS, V17, P137

[9]

Glogauer M, 1997, J CELL SCI, V110, P11

[10] First-order transition between adhesion states in a system mimicking cell-tissue interaction [J].

Guttenberg, Z ;

Lorz, B ;

Sackmann, E ;

Boulbitch, A .

EUROPHYSICS LETTERS, 2001, 54 (06) :826-832

← 1 2 3 4 →