Table 4 225Ac (including daughters) and 227Ac (including daughters) absorbed doses for selected tissues1
Absorbed dose (mGy/1 MBq 225/7Ac administered); RBE not applied | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
225Ac + daughters | 227Ac + daughters | |||||||||
Alpha | Beta | Electron | Photon | Total | Alpha | Beta | Electron | Photon | Total | |
Red marrow | 5.40E+02 | 1.32E+00 | 1.23E+00 | 1.28E−01 | 5.43E+02 | 6.66E−03 | 1.09E−04 | 1.05E−04 | 1.62E−05 | 6.89E−03 |
Spleen | 3.74E+02 | 8.37E−01 | 6.64E−01 | 1.62E−01 | 3.76E+02 | 6.23E−03 | 2.06E−05 | 8.56E−05 | 2.17E−05 | 6.36E−03 |
Endosteal bone surface | 2.48E+02 | 5.75E−01 | 4.19E−01 | 5.53E−02 | 2.49E+02 | 1.81E−02 | 1.26E−04 | 9.30E−05 | 4.95E−05 | 1.84E−02 |
Liver | 5.59E+01 | 4.13E−01 | 1.02E−01 | 7.61E−02 | 5.65E+01 | 6.82E−04 | 4.05E−06 | 9.34E−06 | 6.98E−06 | 7.03E−04 |
Lungs | 4.48E+00 | 7.14E−02 | 9.08E−03 | 5.22E−02 | 4.61E+00 | 1.42E−04 | 4.22E−06 | 1.16E−06 | 5.52E−06 | 1.53E−04 |
Kidneys | 1.49E+00 | 2.61E−03 | 2.71E−03 | 5.42E−02 | 1.54E+00 | 5.86E−04 | 1.38E−06 | 7.21E−06 | 7.44E−06 | 6.02E−04 |
Pancreas | 1.34E+00 | 1.84E−02 | 2.53E−03 | 5.12E−02 | 1.41E+00 | 4.25E−05 | 9.62E−07 | 3.31E−07 | 5.56E−06 | 4.94E−05 |
Adrenals | 1.25E+00 | 2.83E−02 | 2.77E−03 | 9.02E−02 | 1.37E+00 | 3.98E−05 | 1.64E−06 | 3.59E−07 | 9.31E−06 | 5.11E−05 |
Heart wall | 1.11E+00 | 1.89E−02 | 2.27E−03 | 4.90E−02 | 1.18E+00 | 3.52E−05 | 9.72E−07 | 2.86E−07 | 4.83E−06 | 4.13E−05 |
Thyroid | 9.95E−01 | 1.25E−02 | 1.84E−03 | 3.60E−02 | 1.05E+00 | 3.16E−05 | 7.87E−07 | 2.46E−07 | 4.45E−06 | 3.71E−05 |
Ovaries | 5.46E−01 | 7.01E−03 | 1.02E−03 | 3.75E−02 | 5.91E−01 | 2.38E−04 | 7.09E−07 | 2.95E−06 | 6.00E−06 | 2.47E−04 |
Thymus | 3.61E−01 | 1.61E−02 | 1.29E−03 | 5.32E−02 | 4.32E−01 | 1.15E−05 | 1.87E−06 | 1.59E−07 | 5.70E−06 | 1.92E−05 |
Uterus | 3.61E−01 | 4.94E−03 | 6.80E−04 | 3.47E−02 | 4.02E−01 | 1.15E−05 | 5.15E−07 | 1.03E−07 | 6.12E−06 | 1.82E−05 |
Breast | 3.61E−01 | 4.77E−03 | 6.74E−04 | 2.02E−02 | 3.87E−01 | 1.15E−05 | 3.11E−07 | 8.85E−08 | 2.06E−06 | 1.39E−05 |
Brain | 2.87E−01 | 6.25E−03 | 6.61E−04 | 1.76E−02 | 3.12E−01 | 9.12E−06 | 2.78E−06 | 1.40E−07 | 4.70E−06 | 1.67E−05 |
Muscle | 1.89E−01 | 6.02E−03 | 5.51E−04 | 2.05E−02 | 2.16E−01 | 6.00E−06 | 1.63E−06 | 9.57E−08 | 3.26E−06 | 1.10E−05 |
Salivary glands | 0.00E+00 | 1.03E−03 | 4.50E−05 | 2.22E−02 | 2.32E−02 | 0.00E+00 | 1.99E−06 | 5.18E−08 | 4.49E−06 | 6.54E−06 |
Eye lens | 0.00E+00 | 2.49E−05 | 1.65E−07 | 1.10E−02 | 1.10E−02 | 0.00E+00 | 6.06E−08 | 5.69E−10 | 2.95E−06 | 3.01E−06 |