Citation: Ming-ming Ding, Xiao-zheng Duan, Yu-yuan Lu, Tong-fei Shi. Statistics of Polymer Capture by a Nanopore: A Brownian Dynamics Simulation Study[J]. Chinese Journal of Polymer Science, ;2015, 33(5): 674-679. doi: 10.1007/s10118-015-1630-2 shu

Statistics of Polymer Capture by a Nanopore: A Brownian Dynamics Simulation Study

1.
State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China

Received Date: 31 December 2014
Revised Date: 31 January 2015

Fund Project: This work was financially supported by the National Basic Research Program of China (No. 2009CB930100), the National Natural Science Foundation of China (Nos. 21234007, 21304097 and 51473168) and the Joint Research Fund for Overseas Chinese, Hong Kong and Macao Young Scientists of the National Natural Science Foundation of China (No. 51028301).

We investigate the statistics of polymer capture by a nanopore using Brownian dynamics simulations. It is found that when the velocity flux is greater than a critical velocity flux, the capture picture is a random selection process, otherwise it tends to a statistical process governed by energetic considerations. In addition, the chain ends capture probability decreases as the chain length increases and satisfies a power-law scaling of P0(N)~N-0.8.
- Polymer capture,
- Critical velocity flux,
- Brownian dynamics
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