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. 2020 Sep 29;59(4):683–692. doi: 10.1007/s00411-020-00870-x

Table 3.

Doses of internal irradiation and corresponding standard deviations (D ± SD, Gy) in organs of experimental mice resulted from exposure to various activity levels of neutron-activated 56MnO2 powder

Organs of mice Initial activity of 100 mg dispersed 56MnO2:
8 × 107
Bq
Initial activity of 100 mg dispersed 56MnO2:
2.74 × 108
Bq
Initial activity of  100 mg dispersed 56MnO2 :  2.74 × 108   Bq    Initial activity of 100 mg dispersed 56MnO2:
2.74 × 108 Bq
Initial activity of 100 mg dispersed 56MnO2 :
2.74 × 108 Bq
Initial activity of 100 mg dispersed 6MnO2:
8 × 108
Bq
Initial activity of 100 mg dispersed 56MnO2:
8 × 108
Bq
Initial activity of 100 mg dispersed 56MnO2:
8 × 108
Bq
D ± SD, Gy, (C57Bl mice) D ± SD, Gy, (C57Bl mice) D ± SD, Gy, (C57Bl mice) D ± SD, Gy, (BALB/C mice) D ± SD, Gy, (CD-1 mice) D ± SD, Gy, (C57Bl mice) D ± SD, Gy, (C57Bl mice) D ± SD, Gy, (BALB/C mice)
Lungs 0.026 ± 0.005 0.096 ± 0.013 0.14 ± 0.02 0.11 ± 0.03 0.12 ± 0.02 0.25 ± 0.05 0.34 ± 0.07 0.38 ± 0.07
Heart 0.021 ± 0.005 0.056 ± 0.011 0.07 ± 0.01 0.061 ± 0.014 0.089 ± 0.017 0.12 ± 0.02 0.18 ± 0.04 0.15 ± 0.04
Small intestine 0.25 ± 0.09 0.91 ± 0.15 1.1 ± 0.2 0.86 ± 0.21 1.4 ± 0.3 2.3 ± 0.2 2.8 ± 0.4 2.4 ± 0.4
Large intestine 1.2 ± 0.16 4.2 ± 0.5 4.5 ± 0.5 3.8 ± 0.6 3.4 ± 0.5 10.1± 1.4 11 ± 2.1 9.5 ± 2.1
Stomach 0.27 ± 0.08 0.98 ± 0.16 1.2 ± 0.2 0.91 ± 0.22 0.81 ± 0.12 2.4 ± 0.5 2.2 ± 0.3 3.2 ± 0.5
Esopha-Gus 0.032 ± 0.005 0.087 ± 0.013 0.079 ± 0.013 0.093 ± 0.016 0.052 ± 0.011 0.29 ± 0.05 0.17 ± 0.024 0.21 ± 0.04
Liver 0.0018 ± 0.0007 0.0066 ± 0.0011 0.0086 ± 0.0014 0.0076 ± 0.0012 0.0081 ± 0.0016 0.023 ± 0.002 0.022 ± 0.004 0.024 ± 0.005
Spleen 0.0006 ± 0.0001 0.0025 ± 0.0007 0.0028 ± 0.0006 0.0032 ± 0.0008 0.0036 ± 0.0007 0.006 ± 0.001 0.008 ± 0.002 0.007 ± 0.002
Kidney 0.0007 ± 0.0001 0.0028 ± 0.0005 0.0021 ± 0.0006 0.0026 ± 0.0004 0.0023 ± 0.0006 0.007 ± 0.002 0.006 ± 0.002 0.007 ± 0.002
Trachea 0.015 ± 0.004 0.039 ± 0.003 0.047 ± 0.008 0.05 ± 0.01 0.041 ± 0.009 0.14 ± 0.06 0.16 ± 0.04 0.13 ± 0.03
Skin 0.12 ± 0.03 0.29 ± 0.05 0.34 ± 0.06 0.31 ± 0.07 0.42 ± 0.09 0.96 ± 0.21 0.91 ± 0.16 0.99 ± 0.23
Eyes 0.041 ± 0.009 0.14 ± 0.05 0.13 ± 0.02 0.16 ± 0.03 0.12 ± 0.03 0.39 ± 0.08 0.32 ± 0.07 0.34 ± 0.07

Numbers of mice in each cage for each irradiation were different, that is, from 3 to 10 animals per cage