Fig. 1
Distribution of NPs in organs in the body. A NPs are enriched in all major organs in the body. NPs were injected from the tail vein for 60Â min, and animals were observed using a small animal live imaging system (Tanon, Shanghai, China). B The effect of NPs on cardiac tissue was detected by Doppler color ultrasound. C Effect of NPs on ejection fraction. An asterisk indicates a significant interference