5 min | 15 min | 30 min | 60 min | 24 h |
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0.47 ± 0.21% ** | 0.27 ± 0.10% ** | 1.00 ± 0.47% ** | 2.42 ± 0.57% ** | 1.24 ± 0.34% ** |
- 20 pmol were injected subcutaneously in the anterior paw of nude mice. After sacrifice at 5 min, 15 min, 30 min, 60 min and 24 h after injection, ALN was removed, solubilized and the fluorescence of the solution was measured and is expressed as a percentage of the injected doze. Values were expressed by mean ± SEM, values marked with asterisk were significantly different from control (P < 0.01). QDs: Quantum Dots; ALN: Axillary Lymph Node