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Electrophoretic mobility, μ, of ssDNA in the presence of an EOF with negative and positive ζ-potentials as functions of (a) ion concentration, and (b) polymer length, N. In (a), μ is presented for the cases of N = 5 (squares) and 50 (circles), and the EOF mobility, μEOF, values are also shown (triangles). To see this figure in color, go online.
