Organ biodistribution of Abraxane and paclitaxel in paclitaxel-embedded buckysomes at 15, 30, 45, 60, and 180 minutes after tail vein injection in ICR mice. The dose administered was 0.2 mg Abraxane/paclitaxel/mL. The results are expressed as the mean ± S.E. ( for Abraxane, for PEB). versus control; versus control.