Table 1 Effects of NM-101 in the earthworm reproduction test
From: Effect of TiO2 nanoparticles in the earthworm reproduction test
Test and test start | Test concentration (mg/kg sdm) | Mortality (%) | Biomass per vessel at test start (g) ± SD | Biomass per vessel at test end (g) ± SD | Increase in biomass (%) | Number of juveniles per test vessel ± SD | SD (%) | Effect on reproduction (%) |
|---|---|---|---|---|---|---|---|---|
Test 1 - February 2010 | 0 (control) | 0 | 3.65 ± 0.21 | 6.06 ± 0.26 | 66 | 303 ± 25 | 8.3 | - |
|  | 50 | 0 | 3.40 ± 0.18 | 6.22 ± 0.29 | 83 | 322 ± 20 | 6.2 | -6.3a |
|  | 100 | 0 | 3.33 ± 0.32 | 6.31 ± 0.13 | 91 | 353 ± 11 | 3.1 | -16.5a* |
|  | 200 | 0 | 3.27 ± 0.14 | 6.24 ± 0.38 | 91 | 373 ± 41 | 11.0 | -23.8a** |
Test 2 - January 2011 | 0 (control) | 0 | 3.65 ± 0.22 | 5.65 ± 0.26 | 55 | 223 ± 15 | 6.7 | - |
|  | 50 | 0 | 3.56 ± 0.28 | 5.83 ± 0.38 | 64 | 213 ± 22 | 10.3 | 4.5 |
|  | 100 | 0 | 3.57 ± 0.22 | 5.94 ± 0.30 | 67 | 210 ± 16 | 7.6 | 5.8 |
|  | 200 | 0 | 3.60 ± 0.24 | 5.77 ± 0.28 | 60 | 213 ± 47 | 22.1 | 4.5 |
|  | 400 | 0 | 3.44 ± 0.15 | 5.88 ± 0.39 | 71 | 234 ± 20 | 8.6 | -4.9a |