Journal of Materials Science

, Volume 42, Issue 21, pp 8838–8843 | Cite as

Stretching a stiff polymer in a tube

  • Jizeng Wang
  • Huajian Gao
Nano- and micromechanical properties of hierarchical biological materials


The present paper investigates the force-extension behavior of a stiff polymer under stretching inside a small tube. We develop a theory and perform Brownian dynamic simulations based on a recently developed generalized bead-rod model (GBR) to show that the force-extension relation of such a strongly confined polymer chain can be described by that of an unconfined polymer subject to an effective force which is derived based on Odijk’s theory of a confined polymer chain.


Persistence Length Contour Length Effective Force Brownian Dynamic Simulation Wormlike Chain 
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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Division of EngineeringBrown UniversityProvidenceUSA

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