Table 2.

The EC₅₀ values of AgNPs_(total) and AgNPs_(particle) expressed on initial concentrations and expressed on time weighted average concentrations.

		EC50 (mg/L)a		95% Confidence intervals
		Total	Particle	Total	Particle
Initial concentrations	50–80 nm nanoplates	0.354	0.228	0.331–0.506	0.216–0.242
	15 nm nanospheres	0.409	0.249	0.318–0.394	0.227–0.267
	20–40 nm nanospheres	0.535	0.313	0.487–0.715	0.234–0.264
	50 nm nanorods	0.590	0.402	0.376–0.763	0.361–0.446
TWAb	50–80 nm nanoplates	0.242	0.201	0.205–0.286	0.184–0.220
	15 nm nanospheres	0.299	0.212	0.255–0.351	0.198–0.227
	20–40 nm nanospheres	0.337	0.222	0.307–0.369	0.207–0.237
	50 nm nanorods	0.521	0.342	0.380–0.714	0.302–0.387

^aEC₅₀ is half maximal effective concentration. ^bTWA is time weighted average concentration.