Abstract
AbstractSummary: Molecular dynamics simulation studies of the translocation of charged homopolymers of length, N, driven by an electric potential gradient through a channel have been performed. We find that the translocation time, τ, displays an inverse power dependence on the temperature of the simulation τ ∼ (T − T0)−7/4, which is in very good agreement with experimental results. In addition, the dependence of τ on the driving field strength and the velocity of translocation on the polymer length N have also been obtained. The results suggest that such minimalist models are useful in modelling biological processes and that the molecular dynamics method is a suitable approach for carrying out these simulations.Snapshot of the polymer during the simulation.imageSnapshot of the polymer during the simulation.
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