Table 4.

Rat biodistribution data of ⁶⁴Cu–2 in selected organs^a

Organ	1h	2h	4h	24 h
Blood	0.2090 ± 0.0717	0.0514 ± 0.0173	0.0335 ± 0.0136	0.0227 ± 0.0036
Lung	0.1643 ± 0.0439	0.0655 ± 0.0128	0.0491 ± 0.0074	0.0269 ± 0.0025
Liver	1.5643 ± 0.2074	1.1229 ± 0.1209	0.5999 ± 0.0422	0.1042 ± 0.0114
Spleen	0.0737 ± 0.0164	0.0640 ± 0.0200	0.0479 ± 0.0080	0.0248 ± 0.0037
Kidney	2.8723 ± 0.2016	1.7981 ± 0.1155	0.8934 ± 0.0411	0.1497 ± 0.0112
Muscle	0.0569 ± 0.0164	0.0312 ± 0.0147	0.0218 ± 0.0101	0.0070 ± 0.0003
Fat	0.0454 ± 0.0162	0.0439 ± 0.0291	0.0401 ± 0.0149	0.0037 ± 0.0015
Heart	0.0961 ± 0.0284	0.0362 ± 0.0101	0.0260 ± 0.0052	0.0224 ± 0.0013
Brain	0.0125 ± 0.0036	0.0152 ± 0.0080	0.0088 ± 0.0027	0.0032 ± 0.0002
Bone	0.0981 ± 0.0422	0.1003 ± 0.0368	0.1040 ± 0.0592	0.0221 ± 0.0039

^aPresented as %ID per gram ± SD (n = 5).