Table 3. Biodistribution (% ID per g) of the Bi³⁺ complexes with H₄DOTA and H₄BATA in normal mice ^a .

Tissue	[207Bi]DOTA-Bi		[207Bi]BATA-Bi
	Time points (h)
	1	6	1	6
Kidneys	1.83 ± 0.42	1.10 ± 0.23	3.03 ± 0.52	1.97 ± 0.14
Blood	1.22 ± 0.29	b	1.14 ± 0.63	b
Femur	0.97 ± 0.60	0.14 ± 0.07	0.58 ± 0.23	0.07 ± 0.01
Liver	0.18 ± 0.02	0.07 ± 0.01	0.40 ± 0.29	0.11 ± 0.02
Heart	0.07 ± 0.01	b	0.10 ± 0.08	0.02 ± 0.01
Lungs	0.16 ± 0.03	0.03 ± 0.01	0.22 ± 0.13	0.06 ± 0.01
Spleen	0.12 ± 0.01	0.04 ± 0.02	0.19 ± 0.13	0.08 ± 0.02
Brain	0.05 ± 0.01	b	0.02 ± 0.01	b
The rest of body	0.47 ± 0.09	0.15 ± 0.01	1.1 ± 0.5	0.25 ± 0.06

^a n = 3 for each point.

^bRadioactivity is lower than the minimum detectable level.