Table 3 Percent inhibition of growth rate and yield, and EC50 values for a 72-h incubation (smaller nanoparticles; testing of filtrates)
Test item nominal concentration [mg/L] | Inhibition of growth rate [%] | Inhibition of yield [%] |
|---|---|---|
6.25 | 1.1 | 5.4 |
12.5 | 1.2 | 5.5 |
25.0 | 2.1 | 9.9 |
50.0 | 3.9 | 17.5 |
100 | 51.0 | 92.3 |
EC50 [mg/L] (95 % confidence interval) | 65.8 (60.7–72.6) | 99.0 (96.9–101) |