Issue 22, 2009
From the journal:

Soft Matter

Flow injection of polymers into nanopores†‡

A. P. Markesteijn,ab   O. Berk Usta,ac   Issam Ali,ad   Anna C. Balazsac  and  J. M. Yeomansa  

a The Rudolf Peierls Centre for Theoretical Physics, Oxford University, 1 Keble Road, Oxford OX1 3NP, UK

b Laboratory for Aero & Hydrodynamics, Delft University of Technology, Leeghwaterstraat 21, 2628 CA Delft, The Netherlands

c Chemical and Petroleum Engineering, 1249 Benedum Hall, Pittsburgh, PA, US

d Department of Physics, College of Science, Sultan Qaboos University, PO Box 36, Al-Khodh 123, Oman

Abstract

We use a mesoscale simulation to measure the strength of the velocity flux needed to push a polymer into a narrow channel. We find excellent agreement with the prediction by T. Sakaue, E. Raphaël, P.G. de Gennes and F. Brochard-Wyart, Europhys. Lett., 2009, 72, 83, based on a de Gennes blob model of the polymer, that the critical velocity flux for translocation depends linearly on the temperature, but is independent of the length of the polymer chain or the width of the channel.

Graphical abstract: Flow injection of polymers into nanopores

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Article information

DOI
https://doi.org/10.1039/B909208K
Article type
Paper
Submitted
08 May 2009
Accepted
17 Aug 2009
First published
14 Sep 2009

Soft Matter, 2009,5, 4575-4579

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Flow injection of polymers into nanopores

A. P. Markesteijn, O. B. Usta, I. Ali, A. C. Balazs and J. M. Yeomans, Soft Matter, 2009, 5, 4575 DOI: 10.1039/B909208K

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