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Start Over Author "Gelbart, W. M." Journal physical review letters
4 results on '"Gelbart, W. M."'

4. Elastically driven linker aggregation between two semiflexible polyelectrolytes.

Author

Borukhov I, Bruinsma RF, Gelbart WM, and Liu AJ

Subjects
Actins chemistry, DNA chemistry, Ions, Nucleic Acid Conformation, Protein Conformation, Static Electricity, Biopolymers chemistry, Models, Chemical
Abstract

The behavior of mobile linkers connecting two semiflexible charged polymers, such as polyvalent counterions connecting DNA or F-actin chains, is studied theoretically. The chain bending rigidity induces an effective repulsion between linkers at large distances while the interchain electrostatic repulsion leads to an effective short-range interlinker attraction. We find a rounded phase transition from a dilute linker gas where the chains form large loops between linkers to a dense disordered linker fluid connecting parallel chains. The onset of chain pairing occurs within the rounded transition.

Published
2001
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