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Polymer translocation through a cylindrical channel
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10.1063/1.2897932
/content/aip/journal/jcp/128/15/10.1063/1.2897932
http://aip.metastore.ingenta.com/content/aip/journal/jcp/128/15/10.1063/1.2897932
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Figures

Image of FIG. 1.
FIG. 1.

All possible conformations of a polymer of segments during translocation. and are defined as the number of segments inside the channel and the receptor compartment, respectively.

Image of FIG. 2.
FIG. 2.

The free energy profiles of translocation of a chain with length and donor compartment radius . The translocation coordinate denotes the number of segments inside the receptor compartment. The various free energy labels in (a) are defined in Eqs. (2.12), (2.13), (3.9), (3.10), and (2.20)–(2.22). (a) , , and . (b) , , and . (c) , , and . (d) , , and .

Image of FIG. 3.
FIG. 3.

The free energy barrier of channel filling as a function of different parameters. (a) , , and . (b) , , and . (c) , , , and . (d) , , , and .

Image of FIG. 4.
FIG. 4.

Total translocation time . (a) , , . Solid lines: , 40, 50, and 60. Dotted line: for . Dashed line: for . (b) , , , , 40, 50, and 60. (c) , , , , 4, 5, and 6. (d) , , , , 4, and 5.

Image of FIG. 5.
FIG. 5.

Translocation time distribution of for , 4, 5, respectively. , , , and .

Image of FIG. 6.
FIG. 6.

(a) Free energy profiles of translocation involve crossing a free energy barrier [step (1)] and an arbitrary profile [step (2)]. The corresponding correction factors to (in the limits explained in the text) are (b) , (c) , (d) , (e) , and (f) .

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/content/aip/journal/jcp/128/15/10.1063/1.2897932
2008-04-16
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Polymer translocation through a cylindrical channel
http://aip.metastore.ingenta.com/content/aip/journal/jcp/128/15/10.1063/1.2897932
10.1063/1.2897932
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