Catalyst activity 4 Gold catalysis 4 Nanoparticles 4 Ammonia 2 Ammonia oxidation 2 Catalysis 2 Catalytic oxidation 2 Chemical equations 2 Dendrimers 2 Electrocatalysis 2 Electrocatalytic activity 2 Electrolytic reduction 2 Enhanced stability 2 Ethanol oxidation 2 Fiber optic sensors 2 Films 2 Gold 2 Gold Nanoparticles 2 Mesoporous films 2 Mesoporous materials 2 Mesoporous thin films 2 Metal nanoparticles 2 Metal-polymer nanocomposites 2 Nanocatalysis 2 Nanocomposites 2 Nitro-group reductions 2 Nitrogen oxides 2 Platinum 2 Polymer brushes 2 Thin films 2