Abstract

A reptation model of the motion of a persistent charged deoxyribonucleic acid macromolecule in a fine-pore gel in a constant electric field is proposed, and the chain mobility is calculated on its basis. In some field strength regions chains of length L< l( l/ λ) 4 (where l is the persistence length, λ is the distance between entanglements) can fall into random “traps”, which significantly affect the macromolecule mobility.

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