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Mechanics of Semiflexible Polymer Chains Under Confinements

J. WANG, R. LI

Abstract


By using wormlike chain model, we have theoretically investigated the forceextension relations of semiflexible polymer chains constrained by a) a slab-like confinement, where the polymer chains are sandwiched between two parallel impenetrable walls; b) and a capped nanochannel confinement with a circular or rectangular cross-section, where chains are bounded in two directions. Brownian dynamics simulations, based on a recently developed generalized bead-rod (GBR) model (Wang and Gao, J. Chem. Phys., 2005, 123: 084906), are performed to verify the theoretical predictions on force-extension behavior of the confined polymer chains

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