Biodistribution of 99mTc-Fucoidan in Rats (n = 4) 2 Hours After Intravenous Injection
| Organ | Percentage of administered dose per gram of tissue | Percentage of administered dose per organ |
| Blood | 0.624 ± 0.042 | 11.73 ± 0.79 |
| Kidneys | 4.801 ± 0.681 | 12.17 ± 1.49 |
| Urine* | 34.171 ± 11.95 | 18.07 ± 5.54 |
| Liver | 0.619 ± 0.082 | 7.85 ± 1.10 |
| Spleen | 0.213 ± 0.055 | 0.182 ± 0.029 |
| Bones | 0.559 ± 0.093 | 16.58 ± 2.73 |
| Muscle | 0.040 ± 0.012 | 5.02 ± 1.53 |
| Skin | 0.164 ± 0.075 | 9.20 ± 4.16 |
| Heart | 0.110 ± 0.009 | 0.129 ± 0.027 |
| Lungs | 0.172 ± 0.028 | 0.270 ± 0.047 |
| Thyroid | 0.250 ± 0.100 | 0.005 ± 0.002 |
| Brain | 0.014 ± 0.002 | 0.019 ± 0.001 |
* Because there was no urination during study, this is cumulative activity of first 2 h after injection.
Results are expressed as mean ± SD.