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Active polymer translocation through flickering pores

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Golestanian,  Ramin
Department of Living Matter Physics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Citation

Cohen, J. A., Chaudhuri, A., & Golestanian, R. (2011). Active polymer translocation through flickering pores. Physical Review Letters, 107(23): 238102. doi:10.1103/PhysRevLett.107.238102.


Cite as: http://hdl.handle.net/21.11116/0000-0001-787F-B
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. © 2011 American Physical Society.