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It is found that Prussian Blue nanoparticles (PBNPs) possess a catalase-like activity to catalyse the breakdown of H2O2 into oxygen (O2) molecules under the neutral conditions (pH = 7.4). Based on this finding, we have developed a new strategy in which PBNPs can be excellent ultrasound (US) and magnetic-resonance (MR) dual modality imaging contrast agents for H2O2 diagnostics in vitro and in vivo. Detailed facts of importance to specialist readers are published as ”Supporting Information”. Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Yang et al. (Wed,) studied this question.