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Table 1 Size of DWCNT and MWCNT-7 fibers in the vehicle before dosing and at weeks 104 and 91

From: Assessment of the toxicity and carcinogenicity of double-walled carbon nanotubes in the rat lung after intratracheal instillation: a two-year study

 

Length before dosing

Length at 104 & 91 weeks

Diameter before dosing

Diameter at 104 and 91 weeks

DWCNT

NA a

NA a

14.32 + 10.04 nm

15.10 + 13.99 nm

MWCNT-7

8.79 + 4.41 μm

8.45 + 5.29 μm

76.49 + 31.14 nm

69.42 + 23.76 nm

  1. aNot available (unable to measure DWCNT fiber length because of agglomerate formation)