Statistics of polymer capture by a nanopore: A Brownian dynamics simulation study |
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| Authors: | Ming-ming Ding Xiao-zheng Duan Yu-yuan Lu Tong-fei Shi |
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| Institution: | State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry,Chinese Academy of Sciences, Changchun 130022, China |
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| Abstract: | 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. |
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| Keywords: | Polymer capture Critical velocity flux Brownian dynamics |
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