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The half-life of blood radioactive concentration of [14C]-SPION and [59Fe]-SPION after intravenous injection in male and female Sprague Dawley rats (n=5, mean ± standard deviation)
| [14C]-SPION
|
[59Fe]-SPION
|
|||
|---|---|---|---|---|
| Male | Female | Male | Female | |
| t1/2 (min) | 24.53 ± 7.42 | 26.47 ± 8.11 | 15.81 ± 3.11 | 14.57 ± 2.64 |
Abbreviations: min, minutes; SPION, superparamagnetic iron oxide nanoparticles; n, number.
