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SUMMARY:Theory of Driven Polymer Translocation through Nanopores - Tapio A
 la-Nissila  Aalto and Loughborough University
DTSTART:20180830T130000Z
DTEND:20180830T140000Z
UID:TALK109216@talks.cam.ac.uk
CONTACT:Dr. Ulrich Keyser
DESCRIPTION:The translocation dynamics of polymers though nanopores driven
  by external fields is a far-from-equilibrium process\, which can be under
 stood based on the tension propagation (TP) theory of Sakaue [1]. In parti
 cular\, the coarse grained Brownian Dynamics TP theory within the iso-flux
  (IFTP) assumption [2] allows a self-consistent derivation of analytic equ
 ations of motion for the dynamics\, including an explicit form for the cha
 in length dependence of the average translocation time [3]. In this talk I
  will discuss the fundamentals of the IFTP theory and its various applicat
 ions theory to translocation dynamics of long semi-flexible [4] and end-pu
 lled polymer chains [5]. Time permitting I will also discuss recent works 
 trying to elucidate the role of hydrodynamics and electrostatic interactio
 ns on translocation of rod-like molecules in finite and infinite cylindric
 al nanopores [6].\n\n1. T. Sakaue\, Phys. Rev. E 76\, 021803 (2007).\n2. P
 . Rowghanian and A. Y. Grosberg\, J. Phys. Chem. B 115\, 14127 (2011).\n3.
  J. Sarabadani\, T. Ikonen and T. Ala-Nissila\, J. Chem. Phys. 141\, 21490
 7 (2014)\; J. Sarabadani and T. Ala-Nissila\, J. Phys. Cond. Matt. 30\, 27
 4002 (2018).\n4. J. Sarabadani\, Timo Ikonen\, Harri Mökkönen\, Tapio Al
 a-Nissila\, Spencer Carson\, and Meni Wanunu\, Sci. Reps. 7\, 7423 (2017).
 \n5. J. Sarabadani\, B. Ghosh\, S. Chaudhury\, and T. Ala-Nissila\, EPL 12
 0\, 38004 (2017).\n6. S. Buyukdagli and T. Ala-Nissila\, J. Chem. Phys. 14
 7\, 114904 (2017)\;  J. Chem. Phys. 147\, 144901 (2017)\; S. Buyukdagli\, 
 R. Blossey\, and T. Ala-Nissila\, Phys. Rev. Lett. 114\, 088303 (2015).
LOCATION:Rayleigh seminar room\, 2nd floor\, Maxwell Building\, Cavendish 
 laboratory
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