Adsorption 1 Adsorption efficiency 1 Ag NPs loaded magnetic nanoflake Anti-microbial activity 1 Barium compounds 1 Disinfection 1 Disinfection effects 1 Disinfection efficiency 1 E. coli 1 E. coli adsorption 1 Efficiency 1 Escherichia coli 1 Fluorescent images 1 Iron oxides 1 Magnesium compounds 1 Magnetic nanocomposites 1 Magnetite 1 Metal nanoparticles 1 Nanomagnetics 1 Nanometals 1 Reusability 1 Silver nanoparticles 1 Sodium chloride 1 Water disinfections 1 Water pollution 1 Water treatment 1