Easier sieving through narrower pores: fluctuations and barrier crossing in flow-driven polymer translocation

Ledesma-Aguilar, Rodrigo, Sakaue, Takahiro and Yeomans, Julia (2012) Easier sieving through narrower pores: fluctuations and barrier crossing in flow-driven polymer translocation. Soft Matter, 8 (16). pp. 4306-4309. ISSN 1744-683X

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Official URL: http://dx.doi.org/10.1039/C2SM25201E

Abstract

We show that the injection of polymer chains into nanochannels becomes easier as the channel becomes narrower. This counter intuitive result arises because of a decrease in the diffusive time scale of the chains with increasing confinement. The results are obtained by extending the de Gennes blob model of confined polymers, and confirmed by hybrid molecular dynamics–lattice-Boltzmann simulations.

Item Type: Article
Subjects: F300 Physics
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Depositing User: Ellen Cole
Date Deposited: 16 Dec 2013 12:58
Last Modified: 10 Aug 2015 11:15
URI: http://nrl.northumbria.ac.uk/id/eprint/14827

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