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Radial electric field strengths, Er, as a function of the radial position, r, in a nanochannel at different salt concentrations. (Black line, λD = 0.3 nm; red line, λD = 2 nm; blue line, λD = 5 nm; pink line, λD = 10 nm; green line, λD = 15 nm.) The radial electric field was calculated using Eq. 2. To see this figure in color, go online.
