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arxiv: 0802.3323 · v1 · submitted 2008-02-22 · 🧬 q-bio.BM · q-bio.QM

Phenomenological modeling of DNA overstretching

Ray W. Ogden (Department of Mathematics , University of Glasgow , Scotland , UK) , Giuseppe Saccomandi (Dipartimento di Ingegneria Industriale , Universita' degli Studi di Perugia , Italy) , Ivonne Sgura (Dipartimento di Matematica
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Universita' del Salento Lecce
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keywords curveforce-extensionoverstretchingphenomenologicalconceptconfigurationsdescribedeveloped
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A phenomenological model based on the three-dimensional theory of nonlinear elasticity is developed to describe the phenomenon of overstretching in the force-extension curve for dsDNA. By using the concept of a material with multiple reference configurations a single formula is obtained to fit the force-extension curve.

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