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题名: A theoretical study on entropy-driven polymer translocation through a finite-sized nanochannel
作者: Meng, FL ;  Li, M ;  Zhou, X ;  Ouyang, ZC
刊名: CHEMICAL PHYSICS LETTERS
出版日期: 2013
卷号: 565, 期号:-, 页码:116-121
关键词: NANOPORE ;  DNA ;  DYNAMICS ;  PORE ;  TRANSPORT ;  SPECTROSCOPY ;  SIMULATION ;  CHANNELS
学科分类: Physics
通讯作者: Zhou, X (reprint author), Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China.
部门归属: [Meng, Fanlong; Ouyang, Zhongcan] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Li, Ming; Zhou, Xin] Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China; [Ouyang, Zhongcan] Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China; [Ouyang, Zhongcan] Tsinghua Univ, Ctr Adv Study, Beijing 100084, Peoples R China
英文摘要: We studied theoretically the translocation dynamics of polymer chain through a nanochannel, taking the position of its leading end in the channel as the reaction coordinate. The free energy profile of the translocation is found linear for homogeneous channels, and the driven force (the spatial derivative of free energy) is found insensitive to the chain length of the polymer, the length of the channel, whereas it decreases monotonically as the radius of the channel increases. Our Letter provides more direct understanding on recent experiments of polymer translocation. (C) 2013 Elsevier B. V. All rights reserved.
资助者: NSFC [31128004, 91027045, 10834014, 11175250]; National Basic Research Program of China (973 program) [2013CB932800]; Chinese Academy of Sciences
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000316794700022
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15382
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Meng, FL,Li, M,Zhou, X,et al. A theoretical study on entropy-driven polymer translocation through a finite-sized nanochannel[J]. CHEMICAL PHYSICS LETTERS,2013,565(-):116-121.
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