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Related papers: Driven translocation of a flexible polymer through…

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We study the driven translocation of polymers under time-dependent driving forces using $N$-particle Langevin dynamics simulations. We consider the force to be either sinusoidally oscillating in time or dichotomic noise with exponential…

Soft Condensed Matter · Physics 2015-06-12 Timo Ikonen , Jaeoh Shin , Tapio Ala-Nissila , Wokyung Sung

We investigate the influence of polymer-pore interactions on the translocation dynamics using Langevin dynamics simulations. An attractive interaction can greatly improve translocation probability. At the same time, it also increases…

Soft Condensed Matter · Physics 2007-10-01 Kaifu Luo , Tapio Ala-Nissila , See-chen Ying , Aniket Bhattacharya

We investigate the dynamics of polymer translocation through a nanopore using two-dimensional Langevin dynamics simulations. In the absence of external driving force, we consider a polymer which is initially placed in the middle of the pore…

Soft Condensed Matter · Physics 2007-05-23 Ilkka Huopaniemi , Kaifu Luo , Tapio Ala-Nissila , See-Chen Ying

We perform two-dimensional Langevin dynamics simulations of electric-field driven polymer translocation through an attractive nanopore. We investigate the effect of the location of the attractive region using different pore patterns. This…

Soft Condensed Matter · Physics 2015-06-15 F Piguet , D P Foster

We study the translocation of a semiflexible polymer through a conical channel with attractive surface interactions and a driving force which varies spatially inside the channel. Using the results of the translocation dynamics of a flexible…

Soft Condensed Matter · Physics 2022-11-15 Andri Sharma , Rajeev Kapri , Abhishek Chaudhuri

We employ a three-dimensional molecular dynamics to simulate translocation of a polymer through a nanopore driven by an external force. The translocation is investigated for different three pore diameter and two different external forces.…

Computational Physics · Physics 2019-12-03 Mohammadreza Niknam Hamidabad , Rouhollah Haji Abdolvahab

We study the translocation of a flexible polymer through extended patterned pores using molecular dynamics (MD) simulations. We consider cylindrical and conical pore geometries that can be controlled by the angle of the pore apex $\alpha$.…

Soft Condensed Matter · Physics 2026-02-11 Andri Sharma , Abhishek Chaudhuri , Rajeev Kapri

We study translocation of semiflexible polymers driven by force $f_d$ inside a nanometer-scale pore using our three-dimensional Langevin dynamics model. We show that the translocation time $\tau$ increases with increasing bending rigidity…

Biological Physics · Physics 2018-06-27 Pauli M. Suhonen , Riku P. Linna

Polymer translocation has long been a topic of interest in the field of biological physics given its relevance in both biological (protein and DNA/RNA translocation through nuclear and cell membranes) and technological processes (nanopore…

Soft Condensed Matter · Physics 2023-09-11 Alejandro Sainz-Agost , Fernando Falo , Alessandro Fiasconaro

We investigate polymer translocation through a nanopore under a pulling force using Langevin dynamics simulations. We concentrate on the influence of the chain length $N$ and the pulling force $F$ on the translocation time $\tau$. The…

Soft Condensed Matter · Physics 2007-06-27 Ilkka Huopaniemi , Kaifu luo , Tapio Ala-Nissila , See-Chen Ying

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…

Soft Condensed Matter · Physics 2013-02-01 Jack A. Cohen , Abhishek Chaudhuri , Ramin Golestanian

We present a numerical study of forced polymer translocation by using two separate pore models. Both of them have been extensively used in previous forced translocation studies. We show that variations in the pore model affect the forced…

Biological Physics · Physics 2015-05-19 V. V. Lehtola , K. Kaski , R. P. Linna

We investigate the dynamics of polymer translocation through nanopores under external driving by 3D Langevin Dynamics simulations, focusing on the scaling of the average translocation time $\tau$ versus the length of the polymer, $\tau\sim…

Soft Condensed Matter · Physics 2010-01-04 Kaifu Luo , Tapio Ala-Nissila , See-Chen Ying , Ralf Metzler

We consider the dynamics of a translocation process of a flexible linear polymer through a nanopore into an environment of active rods in the {\it trans} side. Using Langevin dynamics simulations we find that the rods facilitate…

Soft Condensed Matter · Physics 2022-11-15 Hamidreza Khalilian , Jalal Sarabadani , Tapio Ala-Nissila

The transport of polymers with folded configurations across membrane pores is investigated theoretically by analyzing simple discrete stochastic models. The translocation dynamics is viewed as a sequence of two events: motion of the folded…

Statistical Mechanics · Physics 2009-11-13 Stanislav Kotsev , Anatoly B. Kolomeisky

We study the translocation process of a polymer in the absence of external fields for various pore diameters $b$ and membrane thickness $L$. The polymer performs Rouse and reptation dynamics. The mean translocation time $<\tau_t>$ that the…

Soft Condensed Matter · Physics 2007-05-23 Joanne Klein Wolterink , Gerard T. Barkema , Debabrata Panja

Using Langevin dynamics simulations, we investigate the dynamics of polymer translocation into a circular nanocontainer through a nanopore under a driving force $F$. We observe that the translocation probability initially increases and then…

Soft Condensed Matter · Physics 2012-12-06 Kehong Zhang , Kaifu Luo

Using Langevin dynamics simulations, we investigate the influence of polymer-pore interactions on the dynamics of biopolymer translocation through nanopores. We find that an attractive interaction can significantly change the translocation…

Soft Condensed Matter · Physics 2008-12-21 Kaifu Luo , Tapio Ala-Nissila , See-Chen Ying , Aniket Bhattacharya

Using two dimensional Langevin dynamics simulations, we investigate the dynamics of polymer translocation into a fluidic channel with diameter $R$ through a nanopore under a driving force $F$. Due to the crowding effect induced by the…

Soft Condensed Matter · Physics 2010-08-30 Kaifu Luo , Ralf Metzler

We investigate several scaling properties of a translocating homopolymer through a thin pore driven by an external field present inside the pore only using Langevin Dynamics (LD) simulation in three dimension (3D). Specifically motivated by…

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