Fig. 6

In vivo biodistribution of the PP/Cy5-siRNA/HA (1 mg/kg of Cy5-siRNA). A Images of whole-body after intravenous administration of Naked Cy5-siRNA or PP/Cy5-siRNA/HA in mice. The arrows indicate the tumor location. B Images of extracted main organs. C Images of extracted tumors alone. D Fluorescence efficiency of extracted main organs at 24 h. The data are presented as means ± SD. *p < 0.05