Preparation of Copper Nanoparticles/Diatomite Nanocomposite for Improvement in Water Quality of Fishponds

Figure 5

Photographs of antibacterial results against A. hydrophila (a, b) and Ed. ictaluri (c, d) after 3 h and 24 h contact of control, DA, and CuNPs/DA.

(a)

(b)

(c)

(d)