Confinement-Driven Translocation of a Flexible Polymer

Angelo Cacciuto and Erik Luijten
Phys. Rev. Lett. 96, 238104 – Published 15 June 2006

Abstract

We consider the escape of a flexible, self-avoiding polymer chain out of a confined geometry. By means of simulations, we demonstrate that the translocation time can be described by a simple scaling law that exhibits a nonlinear dependence on the degree of polymerization and that is sensitive to the nature of the confining geometry. These results contradict earlier predictions but are in agreement with recently confirmed geometry-dependent expressions for the free energy of confinement.

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  • Received 5 March 2006

DOI:https://doi.org/10.1103/PhysRevLett.96.238104

©2006 American Physical Society

Authors & Affiliations

Angelo Cacciuto and Erik Luijten*

  • Department of Materials Science and Engineering and Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA

  • *Electronic address: luijten@uiuc.edu

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Issue

Vol. 96, Iss. 23 — 16 June 2006

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