Dynamical Intermediates in the Collapse of Semiflexible Polymers in Poor Solvents
We investigate, by a Brownian Dynamics (BD) simulation, the collapse of a single, semiflexible or stiff polymer in solution, in the presence of short-range, attractive interactions. In contrast to the mechanism for flexible chains, our results suggest that the collapse occurs via a series of long-lived, metastable intermediates. These intermediates form a well-defined, hierarchical family of conformations. Experiments with DNA condensation have shown similar shapes, which were described as...[Show more]
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