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Related papers: Polymer translocation into laterally unbounded con…

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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 consider the dynamics of polymer translocation out of confined environments. Analytic scaling arguments lead to the prediction that the translocation time scales like $\tau\sim N^{\beta+\nu_{2D}}R^{1+(1-\nu_{2D})/\nu}$ for translocation…

Soft Condensed Matter · Physics 2009-08-11 Kaifu Luo , Ralf Metzler , Tapio Ala-Nissila , See-Chen Ying

Polymer translocation in crowded environments is a ubiquitous phenomenon in biological systems. We studied polymer translocation through a pore in free, one-sided (asymmetric), and two-sided (symmetric) crowded environments. Extensive…

Soft Condensed Matter · Physics 2024-03-01 Vrinda Garg , Rejoy Mathew , Riyan Ibrahim , Kulveer Singh , Surya K. Ghosh

Using analytical techniques and Langevin dynamics simulations, we investigate the dynamics of polymer translocation into a narrow channel of width $R$ embedded in two dimensions, driven by a force proportional to the number of monomers in…

Soft Condensed Matter · Physics 2011-08-26 Kaifu Luo , Ralf Metzler

Polymer translocation in three dimensions out of planar confinements is studied in this paper. Three membranes are located at $z=-h$, $z=0$ and $z=h_1$. These membranes are impenetrable, except for the middle one at $z=0$, which has a…

Soft Condensed Matter · Physics 2008-01-29 Debabrata Panja , Gerard T. Barkema , Robin C. Ball

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 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 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

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

We study the driven translocation of a flexible polymer through an interacting conical pore using Langevin dynamics simulations. We find that, for a fixed value of externally applied force and pore polymer interaction strength, the mean…

Soft Condensed Matter · Physics 2021-02-17 Rajneesh Kumar , Abhishek Chaudhuri , Rajeev Kapri

Using Langevin dynamics simulations, we investigate the dynamics of a flexible polymer translocation into a confined area under a driving force through a nanopore. We choose an ellipsoidal shape for the confinement and consider the…

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

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

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

We consider the dynamics of pore-driven polymer translocation through a nanopore to semi-infinite space when the chain is initially confined and equilibrated in a narrow channel. To this end, we use Langevin dynamics (LD) simulations and…

Soft Condensed Matter · Physics 2025-03-11 Soheila Emamyari , Jalal Sarabadani , Ralf Metzler , Tapio Ala-Nissila

We consider the passage of long polymers of length N through a hole in a membrane. If the process is slow, it is in principle possible to focus on the dynamics of the number of monomers s on one side of the membrane, assuming that the two…

Soft Condensed Matter · Physics 2009-11-10 Yacov Kantor , Mehran Kardar

Langevin Dynamics simulations of polymer translocation are performed where the polymer is stretched via two opposing forces applied on the first and last monomer before and during translocation. In this setup, polymer translocation is…

Soft Condensed Matter · Physics 2018-08-08 Hendrick W. de Haan , David Sean , Gary W. Slater

Using analytical techniques and Langevin dynamics simulations, we investigate the dynamics of polymer translocation through a nanochannel embedded in two dimensions under an applied external field. We examine the translocation time for…

Soft Condensed Matter · Physics 2012-03-26 Huaisong Yong , Yilin Wang , Shichen Yuan , Bi Xu , Kaifu Luo

The translocation of a polymer through a pore in a membrane separating fluids of different viscosities is studied via several computational approaches. Starting with the polymer halfway, we find that as a viscosity difference across the…

Soft Condensed Matter · Physics 2013-04-17 Hendrick W. de Haan , Gary W. Slater

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 present event distributions for the polymer translocation obtained by extensive Langevin dynamics simulations. Such distributions have not been reported previously and they provide new understanding of the stochastic characteristics of…

Soft Condensed Matter · Physics 2012-04-13 R. P. Linna , K. Kaski
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