Repton model of gel electrophoresis in the long chain limit

M. Widom and I. Al-Lehyani

Physica A: Statistical Mechanics and its Applications, 1997, vol. 244, issue 1, 510-521

Abstract: Reptation governs motion of long polymers through a confining environment. Slack enters at the ends and diffuses along the polymer as stored length. The rate at which stored length diffuses limits the speed at which the chain can drift. This paper relates the rate of stored length diffusion to the conformation of the tube whthin which the polymer is confined. In the scaling limit of long polymer chains and weak applied electric fields, holding the product of polymer length times field finite, the tube length and stored length density take on their zero-field values. The drift velocity then depends only on the polymer's end-to-end separation in the direction of the field.

Date: 1997
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:244:y:1997:i:1:p:510-521

DOI: 10.1016/S0378-4371(97)00244-6

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