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Active polymer translocation through flickering pores

Abstract:
Single file translocation of a homopolymer through an active channel under the presence of a driving force is studied using Langevin dynamics simulation. It is shown that a channel with sticky walls and oscillating width could lead to significantly more efficient translocation as compared to a static channel that has a width equal to the mean width of the oscillating pore. The gain in translocation exhibits a strong dependence on the stickiness of the pore, which could allow the polymer translocation process to be highly selective.

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Authors


Chaudhuri, A More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Journal:
Phys. Rev. Lett.
Volume:
107
Issue:
23
Pages:
238102
Publication date:
2011-11-28
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:a65b0b2a-f30c-4014-936a-c3385a54e88c
Source identifiers:
216191
Local pid:
pubs:216191
Keywords:

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