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Table 2 Profiles of experimental animals used for intravital studies.

From: Nanoparticle inhalation augments particle-dependent systemic microvascular dysfunction

 

Exposure Parameters

    

TiO 2 Dose/Group

Aerosol Concentration (mg/m 3 )

Duration (min)

N

Age (days)

Weight (grams)

Mean Arterial Pressure (mm Hg)

Sham Control

0

240

4

43 ± 1

206 ± 11

98 ± 9

38 μg Ultrafine

10

720

3

46 ± 3 *

228 ± 29

98 ± 6

19 μg Ultrafine

12

240

5

40 ± 1

188 ± 9

95 ± 4

10 μg Ultrafine

6

240

4

42 ± 1

224 ± 7

103 ± 2

10 μg Ultrafine

3

480

5

41 ± 1

202 ± 7

102 ± 10

10 μg Ultrafine

12

120

5

42 ± 1

217 ± 6

107 ± 7

6 μg Ultrafine

3

240

3

42 ± 1

216 ± 9

93 ± 7

4 μg Ultrafine

1.5

240

3

42 ± 1

207 ± 8

96 ± 7

90 μg Fine

15

480

4

42 ± 1

233 ± 4

97 ± 2

67 μg Fine

16

300

4

41 ± 1

214 ± 11

96 ± 3

36 μg Fine

12

240

4

41 ± 1

213 ± 6

100 ± 4

20 μg Fine

6

240

3

42 ± 1

209 ± 8

101 ± 3

8 μg Fine

3

240

5

42 ± 1

233 ± 9

106 ± 6

  1. *, P < 0.05 vs. all other experimental groups.