Plutonium-239 Deposition in the Skeleton of the Mouse

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Abstract
Using the technique of neutron-induced autoradiography, together with computer-based methods of data reduction, the distribution of intravenously injected plutonium-239 in the skeleton of the female CBA mouse, 24 hours after injection, has been investigated. With these techniques, it is possible to measure the localization of 239Pu on the endosteal and periosteal surfaces of the bone to an accuracy of approximately ±2·5 μm. Results are reported for the distribution of 239Pu in the third lumbar vertebra, a central caudal vertebra, the right ilium and the right femur. Radiochemical analyses of the 239Pu in other comparable bones of the skeleton are also reported.