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Biopolymer hairpin loops sustained by polarons.

Chakrabarti, B. and Piette, B. and Zakrzewski, W.J.Z. (2012) 'Biopolymer hairpin loops sustained by polarons.', Physical review E., 86 (2). 021910.


We show that polarons can sustain looplike configurations in flexible biopolymers and that the size of the loops depend on both the flexural rigidity of the polymer and the electron-phonon coupling constant. In particular we show that for single stranded DNA (ssDNA) and polyacetylene such loops can have as few as seven monomers. We also show that these configurations are very stable under thermal fluctuations and so could facilitate the formation of hairpin loops of ssDNA.

Item Type:Article
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Publisher statement:© American Physical Society
Date accepted:No date available
Date deposited:15 October 2013
Date of first online publication:2012
Date first made open access:No date available

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