Fig. 6From: Rapidly liver-clearable rare-earth core–shell nanoprobe for dual-modal breast cancer imaging in the second near-infrared windowBiodistribution analysis by SPECT/CT imaging. a SPECT/CT images of mice after intravenous injection with the 99mTc-labeled Nd-RENPs. b The quantified biodistribution of Nd-RENPs in different organsBack to article page