Photocatalytic Bactericidal Efficiency of Ag Doped TiO₂/Fe₃O₄ on Fish Pathogens under Visible Light

Figure 8

Photographs of Ag-TiO₂/Fe₃O₄ dispersed in water after sonication (a) along with its response to the presence of magnet at 10 seconds (b), 1 minute (c), and 5 minutes (d).

(a)

(b)

(c)

(d)