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Maximum pull out force on DNA hybrids
Biological Physics · Submitted 3 Oct 2001
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim This leads to a rupture force, increasing linearly with length, and saturating for large lengths.
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The abstract, sentence by sentence
We discuss theoretically the force F between two colloidal particles, each of them carrying one single strand DNA. The two strands are complementary only on a finite sequence of consecutive base pairs. We define an adjustment length (a few base pairs): in the adjustment regions near both ends of the paired region, the tension is still mainly on one single strand. But in the central part, the two backbones are equally loaded. This leads to a rupture force, increasing linearly with length, and saturating for large lengths.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We discuss theoretically the force F between two colloidal particles, each of them carrying one single strand DNA. | contribution 0.94 | 0.78 | 0.04 | asserted 0.75 |
| s1 | The two strands are complementary only on a finite sequence of consecutive base pairs. | background 0.62 | 0.26 | 0.03 | asserted 0.98 |
| s2 | We define an adjustment length (a few base pairs): in the adjustment regions near both ends of the paired region, the tension is still mainly on one single strand. | contribution 0.49 | 0.74 | 0.05 | asserted 1.00 |
| s3 | But in the central part, the two backbones are equally loaded. | result 0.77 | 0.77 | 0.07 | asserted 1.00 |
| s4 | This leads to a rupture force, increasing linearly with length, and saturating for large lengths. | result 1.00 | 0.84 | 0.82 | asserted 1.00 |
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The paper
Original abstract
We discuss theoretically the force F between two colloidal particles, each of them carrying one single strand DNA. The two strands are complementary only on a finite sequence of consecutive base pairs. We define an adjustment length (a few base pairs): in the adjustment regions near both ends of the paired region, the tension is still mainly on one single strand. But in the central part, the two backbones are equally loaded. This leads to a rupture force, increasing linearly with length, and saturating for large lengths.
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