Figure 5. Gold oxide reduction charge (Q) as a function of cycle number(n). Error bars represent on standard deviation from three independent experiments

From

Tuning the Size of Gold Nanoparticles with Repetitive Oxidation-reduction Cycles

Steve Y. Rhieu, Vytas Reipa

American Journal of Nanomaterials. 2015, 3(1), 15-21 doi:10.12691/ajn-3-1-2