Translocation of Heterogeneous Flexible Polymers Assisted by Binding Particles

Wan-Cheng Yu

doi:10.1007/s10118-020-2387-9

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Translocation of Heterogeneous Flexible Polymers Assisted by Binding Particles

ARTICLE | Updated：2020-02-27

- Translocation of Heterogeneous Flexible Polymers Assisted by Binding Particles
- Translocation of Heterogeneous Flexible Polymers Assisted by Binding Particles
- Chinese Journal of Polymer Science 2020年38卷第7期页码：784-790
- Affiliations：
  
  Department of Physics, School of Physics, Beihang University, Beijing 100191, China
- Author bio：
  
  ywcheng@buaa.edu.cn
- Funds：
  
  This work was financially supported by the China Postdoctoral Science Foundation (No. 2015M581998).
- DOI：10.1007/s10118-020-2387-9
  中图分类号：
- 收稿：2019-12-06，
  
  修回：2020-1-3，
  
  录用：2020-1-11，
  
  网络首发：2020-02-27，
  
  纸质出版：2020-07
- Accepted：
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Yu, W. C. Translocation of heterogeneous flexible polymers assisted by binding particles. Chinese J. Polym. Sci. 2020, 38, 784–790

Wan-Cheng Yu. Translocation of Heterogeneous Flexible Polymers Assisted by Binding Particles[J]. Chinese Journal of Polymer Science, 2020, 38(7): 784-790.
Yu, W. C. Translocation of heterogeneous flexible polymers assisted by binding particles. Chinese J. Polym. Sci. 2020, 38, 784–790 DOI： 10.1007/s10118-020-2387-9.

Wan-Cheng Yu. Translocation of Heterogeneous Flexible Polymers Assisted by Binding Particles[J]. Chinese Journal of Polymer Science, 2020, 38(7): 784-790. DOI： 10.1007/s10118-020-2387-9.

摘要

Abstract

A polymer chain usually contains two or more types of monomeric species from the perspective of polymer chemistry

which poses a challenge to the understanding of structure-property relationships. It is of course true in the field of polymer translocation. In the present work

I investigate the translocation dynamics of heterogeneous flexible polymers composed of two types of monomers labeled A and B through a nanopore assisted by binding particles (BPs) by using the coarse-grained Langevin dynamics simulations in two-dimensional domains. Specifically

multiblock copolymers with different block lengths and monomeric components are considered. I critically examine how the translocation dynamics responds to the variations in the block length and the monomeric content. Interestingly

it is found that the periodic structure of a multiblock copolymer causes an obvious fingerprint feature in the residence time of individual monomers in which the number of peaks is exactly equal to the number of blocks. These findings provide a basic understanding about the sequence-dynamics relationship for the BPs-assisted translocation of heterogeneous flexible polymers.

关键词

Keywords

references

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