Table 1.

Distribution of radioactivity in mice after injection of [¹¹C]MPPO. Data are %ID/g (mean ± SD, n = 3)

tissue	1 min	5 min	15 min	30 min	60 min
blood	1.83 ± 0.15	0.75 ± 0.07	0.38 ± 0.03	0.34 ± 0.05	0.30 + 0.01
heart	6.89 ± 0.60	1.65 ± 0.07	0.55 ± 0.01	0.51 ± 0.03	0.32 ± 0.03
lungs	17.47 ± 3.88	4.88 ± 0.41	1.20 ± 0.04	1.19 ± 0.18	0.64 ± 0.08
liver	9.78 ± 1.10	18.61 ± 2.31	20.05 ± 1.43	17.47 ± 1.10	13.69 ±0.63
spleen	2.28 ± 0.50	1.29 ± 0.22	0.60 ± 0.03	0.49 ± 0.03	0.37 ±0.01
kidneys	12.64 ± 0.56	17.17 ± 1.67	13.70 ± 0.69	9.55 ± 0.65	6.20 ± 0.70
small intestine	3.08 ± 0.29	7.22 ± 0.89	18.54 + 4.00	15.72 + 4.58	13.75 ±3.44
testes	0.44 ± 0.05	0.67 ± 0.02	0.59 ± 0.00	0.48 ± 0.02	0.30 ± 0.03
muscle	1.78 ±0.16	1.03 ± 0.09	0.58 ± 0.17	0.50 ± 0.17	0.24 ± 0.04
brain	1.87 ± 0.20	2.27 ± 0.16	1.81 ± 0.09	1.40 ± 0.15	0.88 + 0.09