Table 7 Amount of carbon fibers in the lungs of female rats
Test article | Total dose | Week 13 of the experimental period | Week 104 of the experimental period | |||||
|---|---|---|---|---|---|---|---|---|
(mg/kg) | (μg/animal) | (μg/g lung) | (μg/animal) | (μg/g lung) | ||||
Control | 0 | – | – | – | – | |||
MWNT-7 | 0.128 | (5) | 8.20 ± 1.38 | 9.0 ± 1.3 | (5) | 4.10 ± 1.17 | 3.5 ± 0.6 | |
MWNT-7 | 0.64 | (5) | 55.6 ± 3.30 | 58.6 ± 3.4 | (5) | 40.7 ± 4.4 | 36.5 ± 4.8 | |
MWNT-7 | 3.2 | (5) | 361 ± 48.0 | 308.6 ± 42.8 | (5) | 315.0 ± 49.0 | 251.4 ± 34.3 | |
VGCF™-H | 0.128 | (5) | 12.3 ± 1.60 | 13.3 ± 2.1 | (4) | 7.14 ± 0.99 | 6.5 ± 1.2 | |
VGCF™-H | 0.64 | (5) | 58.2 ± 13.5 | 64.8 ± 14.7 | (5) | 26.5 ± 3.1 | 24.8 ± 3.2 | |
VGCF™-H | 3.2 | (5) | 301 ± 34.0 | 323.3 ± 26.4 | (5) | 39.3 ± 20.3 | 33.7 ± 18.2 | |