Please use this identifier to cite or link to this item: https://doi.org/10.1140/epje/i2004-10141-x
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dc.titleIonic effects on overstretching transition of B-DNA
dc.contributor.authorFu, H.
dc.contributor.authorKoh, C.G.
dc.contributor.authorChen, H.
dc.date.accessioned2014-06-17T08:20:03Z
dc.date.available2014-06-17T08:20:03Z
dc.date.issued2005-06
dc.identifier.citationFu, H., Koh, C.G., Chen, H. (2005-06). Ionic effects on overstretching transition of B-DNA. European Physical Journal E 17 (2) : 231-235. ScholarBank@NUS Repository. https://doi.org/10.1140/epje/i2004-10141-x
dc.identifier.issn12928941
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/65734
dc.description.abstractA three-dimensional model is proposed herein to study the ionic effects of a NaCl solution on the overstretching transition of long B-DNA molecules. In this model, the bending deformations of DNA backbones, cooperativity of base-stacking interactions, electrostatic interactions, and spatial effects of the DNA double-helix structure are taken into account. The energy of electrostatic interactions is given as a function of the ionic strength and of the folding angle based on the Poisson-Boltzmann equation. An expression is derived, which shows that the overstretching force is linear with the natural logarithm of the ionic strength. The analytical results of this model are in good agreement with recently reported experimental results. © EDP Sciences / Società Italiana di Fisica / Springer-Verlag 2005.
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCIVIL ENGINEERING
dc.description.doi10.1140/epje/i2004-10141-x
dc.description.sourcetitleEuropean Physical Journal E
dc.description.volume17
dc.description.issue2
dc.description.page231-235
dc.identifier.isiut000232026400015
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