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Phenotype of SPION incubated monocyte-derived macrophages (MDMs). PMA-stimulated MDMs were incubated with or without SPIONs for 24 h. FITC expression of cells represents SPION uptake. Shown are the mean fluorescence intensities (MFI) of each measured protein on the cell surface. Significance: student`s t-Test. **p ≤ 0.01; ***p ≤ 0.001. n = 6.
