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

R. Ledesma-Aguilar; T. Sakaue; J. M. Yeomans

doi:10.1039/c2sm25201e

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

R. Ledesma-Aguilar, T. Sakaue, J. M. Yeomans

Condensed Matter Physics

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

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.

Original language	English
Pages (from-to)	4306-4309
Number of pages	4
Journal	Soft Matter
Volume	8
Issue number	16
DOIs	https://doi.org/10.1039/c2sm25201e
Publication status	Published - Apr 28 2012

All Science Journal Classification (ASJC) codes

Chemistry(all)
Condensed Matter Physics

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10.1039/c2sm25201e

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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.",

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AB - 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.

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

Abstract

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