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Stretching strongly confined semiflexible polymer chain

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Abstract

By the so-called wormlike chain (WLC) model in polymer physics envisioning an isotropic rod that is continuously flexible, the force-extension relations of semi-flexible polymer chains strongly constrained by various confinements are theoretically investigated, including a slab-like confinement where the polymer chains are sandwiched between two parallel impenetrable walls, and a capped nanochannel confinement with a circular or rectangular cross-section where the chains are bounded in three directions. The Brownian dynamics (BD) simulations based on the generalized bead-rod (GBR) model are performed to verify the theoretical predictions.

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Authors and Affiliations

  1. Key Laboratory of Mechanics on Disaster and Environment in Western China, the Ministry of Education, College of Civil Engineering and Mechanics, Lanzhou University, Lanzhou, 730000, P. R. China

    Ji-zeng Wang  (王记增) & Run-hua Li  (李润华)

Authors
  1. Ji-zeng Wang  (王记增)
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  2. Run-hua Li  (李润华)
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Corresponding author

Correspondence to Ji-zeng Wang  (王记增).

Additional information

Project supported the National Natural Science Foundation of China (Nos. 11032006, 11072094, and 11121202), the Ph.D. Program Foundation of Ministry of Education of China (No. 20100211110022), the National Key Project of Magneto-Constrained Fusion Energy Development Program of China (No. 2013GB110002), and the Fundamental Research Funds for the Central Universities (No. lzujbky-2013-1)

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Wang, Jz., Li, Rh. Stretching strongly confined semiflexible polymer chain. Appl. Math. Mech.-Engl. Ed. 35, 1233–1238 (2014). https://doi.org/10.1007/s10483-014-1862-9

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  • DOI: https://doi.org/10.1007/s10483-014-1862-9

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2010 Mathematics Subject Classification

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