Bifunctional Silica-Coated Superparamagnetic FePt Nanoparticles for Fluorescence/MR Dual Imaging

Figure 6

Cytotoxicity of FePt and FePt@SiO₂-FITC nanoparticles. Cells were incubated for 24 h or 72 h at 37°C (𝑛=4).

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