Fig. 5From: Electrochemical study of agarose hydrogels for natural convection on macroelectrodes and ultramicroelectrodesa CA curves of 0.5 mM Fe(CN)64– and 0.1 M KCl in various agarose hydrogel concentrations (colored lines) and in solution (black line) at 0.3 V, which is applied to an Au UME. b Plots of current as a function of t–1/2 of (a). The gray dotted circle showed the current fluctuations due to the natural convectionBack to article page