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Distributions of Rg in the nanochannel for a variety of N resulting from (a) ζ = −25 mV and (b) ζ = 25 mV. Mean values of Rg in the case of N = 50 are 29.1 and 27.9 nm for ζ = −25 and 25 mV, respectively. (Black, N = 5; red, N = 10; blue, N = 20; pink, N =30; green, N = 50.) To see this figure in color, go online.
