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Dynamic distribution in rat organs within the first 11.7 min and 24 h post injection of99mTc-labeled NOTA-SPION and DTPA-SPION MBs. Designated colors for organs: lungs (red), liver (yellow), bladder (turquoise), and kidneys (maroon). (A) NOTA-SPION MBs during the first 11.7 min post injection. (B) NOTA-SPION MBs 24 h post injection. (C) DTPA-SPION MBs during the first 11.7 min post injection. (D) DTPA-SPION MBs 24 h post injection.
