English

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

Soft Condensed Matter 2012-07-16 v1 Mesoscale and Nanoscale Physics

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.

Keywords

Cite

@article{arxiv.1207.3187,
  title  = {Easier sieving through narrower pores: fluctuations and barrier crossing in flow-driven polymer translocation},
  author = {Rodrigo Ledesma-Aguilar and Takahiro Sakaue and Julia M. Yeomans},
  journal= {arXiv preprint arXiv:1207.3187},
  year   = {2012}
}

Comments

5 pages, 3 figures