Fig. 6

In vivo transgene efficiency evaluation performed on nude mice. a Fluorescence images of transfected nude mice at different time points after single tail-vein injection of CaP and CaP-MA nanoparticles containing EGFP plasmid. b Fluorescence images of excised organs at 6 h after tail-vein injection. c Frozen section of organs at 6 h after tail-vein injection observed by laser scanning confocal microscopy