Fig. 6

Antitumor efficacy of free 5-FU, NPs-FA and 5-FU-loaded NPs-FA in the presence magnetic field were determined in the CT26 colorectal tumor model. A Tumor volume in different treatment groups, B Kaplan − Meier plot, C photographs of colon tumor-bearing mice, D tumor volume in control and treated groups (mean ± SD, n = 6)