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Concentrations of carbon black in the nose-only inhalation chambers during exposure period Unit : mg/m3
| Experiment period | Group N | Group S |
|---|---|---|
|
| ||
| 3 day | 13.08 ± 3.18 | 13.67 ± 3.54 |
| 2 week | 9.83 ± 3.42 | 9.08 ± 4.49 |
Values presented as mean ± standard deviation. Group N: group of rats exposed to carbon black aerosols without sonication. Group S: group of rats exposed to carbon black aerosols with sonication.
