Flow-induced helical coiling of semiflexible polymers in structured microchannels

The conformations of semiflexible (bio)polymers are studied in flow-through geometrically structured microchannels. Using mesoscale hydrodynamics simulations, we show that the polymer undergoes a rod-to-helix transition as it moves from the narrow high-velocity region into the wide low-velocity regi...

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Veröffentlicht in:Physical review letters 2012-10, Vol.109 (17), p.178101-178101, Article 178101
Hauptverfasser: Chelakkot, Raghunath, Winkler, Roland G, Gompper, Gerhard
Format: Artikel
Sprache:eng
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