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Abstract: Two-dimensional semiflexible polymer rings are studied both by imagingcircular DNA adsorbed on a mica surface and by Monte Carlo simulations ofphantom polymers as well as of polymers with finite thickness. Comparison ofsize and shape of the different models over the full range of flexibilitiesshows that excluded volume caused by finite thickness induces an anisotropicincrease of the main axes of the conformations, a change of shape, accomplishedby an enhanced correlation along the contour.



Author: Fabian Drube, Karen Alim, Guillaume Witz, Giovanni Dietler, Erwin Frey

Source: https://arxiv.org/







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