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Table 3 Amount of MWCNTs in the lung at 52 and 104 weeks. Data is presented as micrograms MWCNT per gram of lung tissue. The lungs of 5 animals were examined for each data point

From: Comparative carcinogenicity study of a thick, straight-type and a thin, tangled-type multi-walled carbon nanotube administered by intra-tracheal instillation in the rat

 

MWCNT-A

MWCNT-B

0.5 mg

1.0 mg

0.5 mg

1.0 mg

52 wks

44.9 ± 6.2

94.6 ± 24.5

170.8 ± 86.3

344.3 ± 51.7

104 wks

41.6 ± 8.4

93.1 ± 17.0

135.0 ± 19.7

342.6 ± 96.9