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In vivo inflammation targeting of HA NPs in colitis mice. In vivo inflammation targeting of HA NPs in colitis mice. (A) DiR-labeled NPs and HA NPs were orally administrated to colitic mice and healthy controls. Images were obtained at 12 h post-administration using the VISQUE Invivo Smart-LF animal live imaging system. (B) Fluorescence intensities of the region of interest (ROI) were quantified with an imaging system (n=3), *p<0.05, **p<0.01.
