Magnetophoresis of tagged polymers
Institute for Advanced Study - Olden Lane,
Princeton, NJ 08540, USA
2 Theoretical Physics, University of Oxford, 1 Keble Road, Oxford, OX1 3NP, United Kingdom
Accepted: 26 May 1996
We present quantitative results for the drift velocity of a polymer in a gel if a force (e.g. through an electric or magnetic field) acts on a tag, attached to one of its ends. This is done by introducing a modification of the Rubinstein-Duke model for electrophoresis of DNA. We analyze this modified model with exact and Monte Carlo calculations. Tagged magnetophoresis does not show band collapse, a phenomenon that limits the applicability of traditional electrophoresis to short polymers.
PACS: 82.45.+z – Electrochemistry and electrophoresis / 05.40.+j – Fluctuation phenomena, random processes, and Brownian motion / 36.20.Ey – Conformation (statistics and dynamics)
© EDP Sciences, 1996