Table 2. Zone diameters of the synthesized nanocomposites against S. aureus, E. coli, and P. aeruginosa.

Bacteria	Inhibition zone of antibiotic disc (cm)	Inhibition zone of CuO (cm)	Inhibition zone of CuO–Ag (cm)	Inhibition zone of CuO–Ag–TiO2 (cm)
S. aureus	1.605	1.260	1.291	1.605
E. coli	2.837	1.547	1.523	0.910
P. aeruginosa	2.589	2.166	1.310	1.257