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. 2014 Apr 29;118(49):14017–14026. doi: 10.1021/jp502624n

Figure 1.

Figure 1

Fluorescence microscopy images show cellular binding of NPs (green) in MEM and MEM supplemented with 10 mg mL–1 BSA (MEM + BSA) to monkey kidney epithelial cells (BS-C-1) at 4 °C. (A) 93 nm carboxylate-modified NPs. (B) 87 nm amine-modified NPs. Nuclei are stained with DAPI (blue).