Fig. 2From: Development of keratin nanoparticles for controlled gastric mucoadhesion and drug releasea Gammascintigraphic images of 131I labeled KNP-3 in rat. b Biodistribution of 131I-labeled KNP-3 after oral administration for 8 h in rat. Top row localization CT; middle row SPECT images; bottom row fused co-registered images. c Radioactive counts per 2 min of 131I-labeled KNPs in the ROI. The values are mean ± SD (n = 6)Back to article page