Table 2.
Animal and arteriolar characteristics of control and MWCNT exposed rats.
| Time Post Inhalation | N | Age (weeks) | Weight (g) | MAP (mm Hg) | Heart Wet Weight (g) | Active Diameter (μm) | Passive Diameter (μm) | Active Tone (%) |
|---|---|---|---|---|---|---|---|---|
| Control | 11 | 8.4 ± 0.2 | 350 ± 4 | 111 ± 7 | 1.17 ± 0.03 | 96 ± 7 | 128 ± 7 | 25 ± 2 |
| 24 h | 16 | 8.7 ± 0.2 | 343 ± 4 | 105 ± 3 | 1.12 ± 0.02 | 100 ± 4 | 131 ± 5 | 23 ± 2 |
| 72 h | 9 | 8.7 ± 0.2 | 349 ± 4 | 105 ± 4 | 1.18 ± 0.03 | 109 ± 6 | 141 ± 4 | 23 ± 3 |
| 120 h | 10 | 9.1 ± 0.1 | 364 ± 3 | 108 ± 6 | 1.16 ± 0.03 | 97 ± 7 | 129 ± 7 | 25 ± 4 |
| 168 h | 12 | 9.2 ± 0.1 | 357 ± 12 | 112 ± 2 | 1.17 ± 0.02 | 105 ± 7 | 136 ± 5 | 24 ± 3 |