Uncooked spaghetti in a colander: Injection of semiflexible polymers in a nanopore
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.
KeywordsPolymers: From Adsorption to Translocation - Topical Issue in Memoriam Loïc Auvray (1956-2016)
- 5.M. Muthukumar, Polymer Translocation, 1st edition (CRC Press, 2011)Google Scholar
- 11.P.-G. de Gennes, Scaling Concepts in Polymer Physics (Cornell University Press, 1979)Google Scholar
- 12.F. Brochard-Wyart, K. Guevorkian, Polymers in Confined Geometries, in P.-G. de Gennes Impact on Science, Vol. II (World Scientific, 2009)Google Scholar
- 13.H. Lamb, Hydrodynamics (University Press, 1916)Google Scholar