dorsal/arxiv
View SchemaStretching short biopolymers by fields and forces
| Authors | Yuko Hori, Ashok Prasad, Jane' Kondev |
|---|---|
| Categories | |
| ArXiv ID | q-bio/0510049 |
| URL | https://arxiv.org/abs/q-bio/0510049 |
| DOI | 10.1103/PhysRevE.75.041904 |
| Journal | PHYSICAL REVIEW E 75, 041904 (2007) |
Abstract
We study the mechanical properties of semiflexible polymers when the contour length of the polymer is comparable to its persistence length. We compute the exact average end-to-end distance and shape of the polymer for different boundary conditions, and show that boundary effects can lead to significant deviations from the well-known long-polymer results. We also consider the case of stretching a uniformly charged biopolymer by an electric field, for which we compute the average extension and the average shape, which is shown to be trumpetlike. Our results also apply to long biopolymers when thermal fluctuations have been smoothed out by a large applied field or force.
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"abstract": "We study the mechanical properties of semiflexible polymers when the contour\nlength of the polymer is comparable to its persistence length. We compute the\nexact average end-to-end distance and shape of the polymer for different\nboundary conditions, and show that boundary effects can lead to significant\ndeviations from the well-known long-polymer results. We also consider the case\nof stretching a uniformly charged biopolymer by an electric field, for which we\ncompute the average extension and the average shape, which is shown to be\ntrumpetlike. Our results also apply to long biopolymers when thermal\nfluctuations have been smoothed out by a large applied field or force.",
"arxiv_id": "q-bio/0510049",
"authors": [
"Yuko Hori",
"Ashok Prasad",
"Jane\u0027 Kondev"
],
"categories": [
"q-bio.BM",
"cond-mat.soft"
],
"doi": "10.1103/PhysRevE.75.041904",
"journal_ref": "PHYSICAL REVIEW E 75, 041904 (2007)",
"title": "Stretching short biopolymers by fields and forces",
"url": "https://arxiv.org/abs/q-bio/0510049"
},
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