Considerable Variation of Antibacterial Activity of Cu Nanoparticles Suspensions Depending on the Storage Time, Dispersive Medium, and Particle Sizes

Table 5

The most efficient concentrations (mg/L) displaying the maximum antibacterial effect.

Conditions: media and storage time	Nanoparticle suspension	Nanoparticle suspension	Cu^2+ solution	C3Cl2N3NaO3 solution
	Cu 50	Cu 100
H2О 0.5 h	0.0001; 10	—	10	1; 10
H2О 24 h	—	—	10	10
PS 0.5 h	0.01; 10	10	10	10
PS 24 h	—	10	—	10

Nonlinear toxicity effects.