Research Article

The Effect of Superparamagnetic Iron Oxide with iRGD Peptide on the Labeling of Pancreatic Cancer Cells In Vitro: A Preliminary Study

Figure 3

The evaluation of the mean signal reduction ( ) for different iron ion concentrations. (A)–(E) indicate 8.4–21 μg/mL iron ion concentration. The SPIO-PLL group served as the control group. The highest value (the best concentration match of iron ions and iRGD peptide).
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