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Dynamics of polymer translocation into a circular nanocontainer through a nanopore
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10.1063/1.4712618
/content/aip/journal/jcp/136/18/10.1063/1.4712618
http://aip.metastore.ingenta.com/content/aip/journal/jcp/136/18/10.1063/1.4712618
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic representation of polymer translocation through a pore into a 2D spherical compartment with radius R through a nanopore driven by an external electric force F = 5: (a) before translocation, (b) during translocation, and (c) after translocation. The width of the pore is w = 1.6σ.

Image of FIG. 2.
FIG. 2.

(a) Translocation probability as function of the driving force F for N = 32, 128, and different density of the chain ϕ. (b) Translocation probability as function of the density of the chain ϕ for chain length N = 128 (F = 2, 3, 5, 10, and 15) and R = 9.5 (F = 2).

Image of FIG. 3.
FIG. 3.

Number of beads packaged against time for the chain length N = 128, the driving force F = 2, and different ϕ. Here, all the data points are not averaged, and are from a typical successful translocation event. The pause is defined as the situation that the number of packaged beads is constant with time, and the typical pause is marked by arrow in the figures. The average time duration of pauses for ϕ = 0.45 is longer than those for ϕ = 0.2.

Image of FIG. 4.
FIG. 4.

Histogram of translocation times for the chain length N = 128 and different F and ϕ. Here, F = 2 and 5 and ϕ = 0.2 and 0.45. The inset shows the distribution of translocation times for F = 2 and ϕ = 0.45.

Image of FIG. 5.
FIG. 5.

(a) Translocation time τ as a function of the density of the chain, ϕ, under driving force F = 2 for a fixed chain length 128 or a fixed radius of the nanocontainer R = 9.5. (b) 1 − (τ/τ) as a function of ϕ.

Image of FIG. 6.
FIG. 6.

Translocation time τ as a function of the chain length N under the driving force F = 2: (a) for different density of the chain, ϕ, (by changing R), and (b) for R = 9.5.

Image of FIG. 7.
FIG. 7.

Translocation time τ as a function of the chain length N for different density of the chain ϕ and different chain lengths N under the driving force F = 5.

Image of FIG. 8.
FIG. 8.

Translocation time τ as a function of the driving force F for chain lengths N = 128 under the density of the chain ϕ = 0.1 and 0.45 in 2D.

Image of FIG. 9.
FIG. 9.

The radius of gyration of the chain R g at the moment just after the translocation for N = 128 under different driving F force versus the density of the chain ϕ.

Image of FIG. 10.
FIG. 10.

The chain conformation at the moment just after the translocation for the chain length N = 256 and the density of the chain ϕ = 0.1 under the driving forces F = 2 and 15 in 2D, respectively.

Image of FIG. 11.
FIG. 11.

Waiting time distribution for different densities of the chain ϕ. Here, the chain length is N = 128, and the driving force is F = 2.

Image of FIG. 12.
FIG. 12.

Waiting time distribution under different driving forces F. The chain length N = 128 and density of the chain ϕ = 0.2 and 0.45.

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/content/aip/journal/jcp/136/18/10.1063/1.4712618
2012-05-11
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Dynamics of polymer translocation into a circular nanocontainer through a nanopore
http://aip.metastore.ingenta.com/content/aip/journal/jcp/136/18/10.1063/1.4712618
10.1063/1.4712618
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