Yao Wang, Yong-jun Xie, Hai-yang Yang, Xing-yuan Zhang. Effect of Interaction upon Translocation of Confined Polymer Chain Through Nanopore[J]. Chinese Journal of Chemical Physics , 2010, 23(3): 313-316. doi: 10.1088/1674-0068/23/03/313-316
Citation: Yao Wang, Yong-jun Xie, Hai-yang Yang, Xing-yuan Zhang. Effect of Interaction upon Translocation of Confined Polymer Chain Through Nanopore[J]. Chinese Journal of Chemical Physics , 2010, 23(3): 313-316. doi: 10.1088/1674-0068/23/03/313-316

Effect of Interaction upon Translocation of Confined Polymer Chain Through Nanopore

doi: 10.1088/1674-0068/23/03/313-316
Funds:  This work was supported by the National Natural Science Foundation of China (No.20974108).
  • Received Date: 2010-03-01
  • The effect of the interaction between nanopore and chain monomer on the translocation of a single polymer chain confined in a finite size square through an interacting nanopore to a large space has been studied by two-dimensional bond fluctuation model with Monte Carlo simulation. Results indicate that the free energy barrier before the successful translocation of the chain depends linearly on the chain length as well as the nanopore length for different pore-polymer interaction, and the attractive interaction reduces the free energy barrier, leading to the reduction of the average trapping time.
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Effect of Interaction upon Translocation of Confined Polymer Chain Through Nanopore

doi: 10.1088/1674-0068/23/03/313-316
Funds:  This work was supported by the National Natural Science Foundation of China (No.20974108).

Abstract: The effect of the interaction between nanopore and chain monomer on the translocation of a single polymer chain confined in a finite size square through an interacting nanopore to a large space has been studied by two-dimensional bond fluctuation model with Monte Carlo simulation. Results indicate that the free energy barrier before the successful translocation of the chain depends linearly on the chain length as well as the nanopore length for different pore-polymer interaction, and the attractive interaction reduces the free energy barrier, leading to the reduction of the average trapping time.

Yao Wang, Yong-jun Xie, Hai-yang Yang, Xing-yuan Zhang. Effect of Interaction upon Translocation of Confined Polymer Chain Through Nanopore[J]. Chinese Journal of Chemical Physics , 2010, 23(3): 313-316. doi: 10.1088/1674-0068/23/03/313-316
Citation: Yao Wang, Yong-jun Xie, Hai-yang Yang, Xing-yuan Zhang. Effect of Interaction upon Translocation of Confined Polymer Chain Through Nanopore[J]. Chinese Journal of Chemical Physics , 2010, 23(3): 313-316. doi: 10.1088/1674-0068/23/03/313-316

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