Wormlike and Glassy Wormlike Chains

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• Professor Klaus Kroy ITP, Leipzig University, Postfach , Leipzig, Germany
• Friday 30 November 2007, 10:30-11:30
• IRC in Superconductivity Seminar Room, Cavendish Laboratory.

If you have a question about this talk, please contact Dr Kalin Dragnevski.

Note unusual time

The wormlike chain (WLC) is the standard model of a semiflexible thread-like macromolecule. As such it is the basis for our mathematical understanding of the universal mechanical and dynamical properties of important biopolymers such as DNA , F-actin, microtubules, and their solutions and networks. It has recently been argued that biopolmyers in the cytoplasm exhibit glassy dynamics as a consequence of molecular crowding. The ``glassy wormlike chain’‘ model attributes such glassy dynamcis to an exponential stretching of the relaxation spectrum of the WLC . Important implications, such as ``rheological redundancy’’ and a generalized time-temperature superposition principle for the soft glassy rheology of cells and polymer solutions and networks will be outlined.

This talk is part of the BSS Formal Seminars series.

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