Artificial enzymes 1 Bimetals 1 Binary alloys 1 Biocatalytic properties 1 Catalyst activity 1 Enzyme activity 1 Enzyme mimicing 1 High costs 1 High-low 1 Ligand-free 1 Ligands 1 Nano-alloys Nanoclusters 1 Nanoparticles 1 Nanostructured materials 1 Pair distribution functions 1 Physiological condition 1 Powder X-ray diffraction analyse 1 Structural analysis 1 X ray powder diffraction 1 enzyme mimicking 1 nanoalloys 1 nanoclusters 1 nanoparticles 1 pair-distribution function 1 powder X-ray diffraction analysis 1