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Impedance magnitude as a function of frequency for (a) variation in concentration of dsDNA molecule, and (b) variation in size of dsDNA where concentration of each molecule was .
Impedance versus frequency for the different size ethanol-precipitated dsDNA molecules.
(a) Left: drawn schematic of the device used for the measurements. Right: equivalent circuit model of the solution with DNA molecules. (b) Extracted solution dielectric capacitance as a function of molecule concentration. (c) Extracted solution conductance as a function of molecule concentration.
Extracted circuit model parameters for varying concentration and size of DNA molecules.
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