The Force Acting on a Polymer Partially Confined in a Tubeâ€
|Title||The Force Acting on a Polymer Partially Confined in a Tubeâ€|
|Publication Type||Journal Article|
|Year of Publication||2009|
|Authors||Prinsen, P, Fang, LTai, Yoffe, AM, Knobler, CM, Gelbart, WM|
|Journal||The Journal of Physical Chemistry B|
We consider the force acting on a polymer part of whose length is configurationally confined in a tube and the rest of which is free. This situation arises in many different physical contexts, including a flexible synthetic polymer partially confined in a nanopore and a stiff viral genome partially ejected from its capsid. In both cases the force acting to pull the chain molecule out of its confinement is argued to be constant once a few persistence lengths are “free”/“outside”. We present Brownian dynamics simulations that confirm the constancy of ...