The hierarchical emergence of worm-like chain behaviour from globular domain polymer chains

Organized condensation of worm-like chains

We present results relevant to the equilibrium organization of DNA strands of arbitrary length interacting with a spherical organizing center, suggestive of DNA-histone complexation in nucleosomes. We obtain a rich phase diagram in which a wrapping state is transformed into a complex multi-leafed structure as the adhesion energy is reduced. The statistical mechanics of the “melting” of a rosett...

Worm-like carbon shell chains produced from wood

Semiflexible Chains at Surfaces: Worm-Like Chains and beyond

We give an extended review of recent numerical and analytical studies on semiflexible chains near surfaces undertaken at Institut Charles Sadron (sometimes in collaboration) with a focus on static properties. The statistical physics of thin confined layers, strict two-dimensional (2D) layers and adsorption layers (both at equilibrium with the dilute bath and from irreversible chemisorption) are...

Statics and dynamics of hairpins in worm-like main chain nematic polymer liquid crystals

2014 We derive some exact results for the statics of solitary defects (« hairpins ») in the conformations of nematic main chain worm-like polymer liquid crystals in which there is both a bending and a nematic contribution to the potential energy. It is shown that for a polymer of finite length in mechanical equilibrium there can exist only a finite number of hairpins and that these are all unst...

Single-polymer ‘flyfishing’ effect for nanoscale motors and machines: an exact worm-like-chain model study

an exact worm-like-chain model study Nan Wang, 2 Ruizheng Hou, 2 Weizhu Bao, 2 and Zhisong Wang 2, 4, a) Department of Mathematics, National University of Singapore, Singapore 119076 Center for Computational Science and Engineering, National University of Singapore, Singapore 119076 Department of Physics, National University of Singapore, Singapore 119076 NUS Graduate School for Integrative Sci...