Comparison of the Metabolic Behavior of 144Ce Injected Intravenously With That Absorbed from the Wound Site in Rats

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The retention at the wound site, urinary and fecal excretion, and organ contents of 144Ce were determined for 15 days after wound contamination with 144CeCl, in rats. The results obtained were well described by the ICRP 10A model on the assumption that the 144Ce absorbed from the wound site behaves identically with that injected intravenously. This suggests that the behavior, and hence the physico-chemical form, of 144Ce in the blood following wound contamination and intravenous injection are identical. The physico-chemical form of 144Ce in the blood is discussed.

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