Volume 58, Number 5, June 2002
|Page(s)||792 - 798|
|Section||Interdisciplinary physics and related areas of science and technology|
|Published online||01 May 2002|
Dynamic strength of adhesion molecules: Role of rebinding and self-consistent rates
Max-Planck-Institut für Kolloid- und
Grenzflächenforschung Am Mühlenberg 2,
14476 Golm, Germany
Accepted: 11 March 2002
The dynamical strength of adhesion molecules under a time-dependent force is studied theoretically using analytical and numerical methods. On- and off-rates are calculated self-consistently using the full potential rather than the usual linear approximation. Rebinding events lead to a finite strength at zero loading rate with a subsequent linear increase with loading rate. In the adjacent non-linear regime, the dynamical strength increases more strongly than logarithmically with effective exponents up to about 1/2.
PACS: 87.15.By – Structure and bonding / 82.37.-j – Single molecule kinetics
© EDP Sciences, 2002
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