Fig. 4From: Rapidly liver-clearable rare-earth core–shell nanoprobe for dual-modal breast cancer imaging in the second near-infrared windowIn vivo clearance behavior of Nd-RENPs. a NIR-II fluorescence images of a supine nude mouse after Nd-REN administration (Scale bar: 10 mm). b Quantitation analysis of NIR-II fluorescence in the liver (calculated half-life of the liver was 15.8 h) corresponding to Fig. 4a. c Blood circulation behavior of Nd-RENPs (n = 3)Back to article page