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Representative microscope images of macrophages uptake of [(Au0)300-G5.NHAc-FI-mPEG] DENPs in vitro with silver staining: (A) negative control cells without treatment with PEGylated Au DENPs; the cells were incubated with [(Au0)300-G5.NHAc-FI-mPEG] DENPs (at the [Au] concentrations of 100 μM (B) and 300 μM (C) for 4 hours).
Note: Scale bar measures 100 μm.
Abbreviations: DENP, dendrimer-entrapped gold nanoparticle; FI, fluorescein isothiocyanate; PEG, polyethylene glycol.
