Translocation time of a polymer chain through an energy gradient nanopore
Meng-Bo Luo , Shuang Zhang , Fan Wu , Li-Zhen Sun
Front. Phys. ›› 2017, Vol. 12 ›› Issue (3) : 128301
Translocation time of a polymer chain through an energy gradient nanopore
The translocation time of a polymer chain through an interaction energy gradient nanopore was studied by Monte Carlo simulations and the Fokker–Planck equation with double-absorbing boundary conditions. Both the simulation and calculation revealed three different behaviors for polymer translocation. These behaviors can be explained qualitatively from free-energy landscapes obtained for polymer translocation at different parameters. Results show that the translocation time of a polymer chain through a nanopore can be tuned by suitably designing the interaction energy gradient.
polymer chain / translocation time / nanopore / Monte Carlo simulation / Fokker–Planck equation
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Higher Education Press and Springer-Verlag Berlin Heidelberg
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