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Table 9 Lung weights at week 104 of the experimental period

From: Difference in carcinogenicities of two different vapor grown carbon fibers with different physicochemical characteristics induced by intratracheal instillation in rats

Test article

Total dose (mg/kg)

Male

Female

Lung weights (g)

Lung weights (g)

Nontreatment

1.391 ± 0.381

(24)

0.940 ± 0.125

(16)

Control

0

1.328 ± 0.113

(21)

0.961 ± 0.083

(23)

MWNT-7

0.128

1.358 ± 0.121

(17)

0.986 ± 0.183

(18)

MWNT-7

0.64

1.403 ± 0.137

(4)

1.075 ± 0.288

(16)

MWNT-7

3.2

  

1.110 ± 0.046#

(4)

VGCF™-H

0.128

1.319 ± 0.063

(15)

1.094 ± 0.644

(18)

VGCF™-H

0.64

1.374 ± 0.206

(24)

0.951 ± 0.045

(21)

VGCF™-H

3.2

1.381 ± 0.084

(20)

0.955 ± 0.077

(21)

  1. Number in parentheses indicates the number of animals examined
  2. The values indicate as mean ± S.D
  3. Significantly different from the Control group; #p < 0.05