Fig. 1From: Electrochemical study of agarose hydrogels for natural convection on macroelectrodes and ultramicroelectrodesCV curves of the Au disk electrode in aqueous solution and at various concentrations of agarose hydrogels, and plots of the peak current (Ip) as a function of the square root of the scan rate b, d, f, h, i containing 1 mM Fe(CN)64– and 0.1 M KCl. a and b In solution phase; c and d 9.1 wt% agarose; e and f 4.8 wt% agarose; g and h 3.2 wt% agarose; and i and j 2.4 wt% agarose.Back to article page