Stretching, twisting and supercoiling in short, single DNA molecules

作者: Pui-Man Lam , Yi Zhen

DOI: 10.1016/J.PHYSA.2017.09.055

关键词: Contour lengthTorqueMoleculeNanotechnologyDNAClassical mechanicsPersistence lengthPhysicsDNA supercoil

摘要: Abstract We had combined the Neukirch–Marko model that describes extension, torque and supercoiling in single, stretched twisted DNA of infinite contour length, with a form free energy suggested by Sinha Samuels to describe short DNA, length only few times persistence length. find but untwisted is significantly modified from its infinitely value this turn modifies supercoiling. show consistent being more flexible than long DNA. hope our results will stimulate experimental investigation

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