https://doi.org/10.1140/epje/i2018-11674-y
Regular Article
Uncooked spaghetti in a colander: Injection of semiflexible polymers in a nanopore
1
Matière et Systèmes Complexes, Université Paris-Diderot & CNRS (UMR 7057), 10 rue Alice Domon et Léonie Duquet, 75013, Paris, France
2
Univ Lyon, Ens de Lyon, Univ Claude Bernard, CNRS, Laboratoire de Physique, F-69342, Lyon, France
* e-mail: fabien.montel@ens-lyon.fr
Received:
22
February
2018
Accepted:
30
April
2018
Published online:
17
May
2018
We study the flow injection of semiflexible polymers in a nanopore with a diameter smaller than the persistence length of the macromolecules. The suction model from de Gennes and Brochard is modified to take into account the effect of the rigidity of the polymer in the Odijk regime. We show that in this case of extreme confinement the flow threshold vanishes slowly and that in the limit of infinitely small nanopore the free energy barrier eventually disappears.
Key words: Polymers: From Adsorption to Translocation - Topical Issue in Memoriam Loïc Auvray (1956-2016)
© EDP Sciences, SIF, Springer-Verlag GmbH Germany, part of Springer Nature, 2018