Scanning probe microscopy 7 Scanning electrochemical microscopy 6 Scanning electron microscopy 6 Electrochemical electrodes 4 Electrodes 4 Electrolytic reduction 4 Gold 4 Oxidation 4 Atomic force microscopy 2 Au electrodes 2 Biocatalysis 2 Bioelectric Energy Sources 2 Biofuel cell 2 Biofuels 2 Biological fuel cells 2 Catalysts 2 Cathodes 2 Current dependence 2 Cyclic voltammetry 2 Degradation 2 Diffusion 2 Electric batteries 2 Electrocatalysis 2 Electrochemical quartz crystal microbalance 2 Electrochemical reductions 2 Electrolytes 2 Enzymes 2 Gold Nanoparticles 2 Gold nanoparticle 2 High current densities 2