Figure 13
From: Graphene oxide and its derivatives as promising In-vitro bio-imaging platforms

Fluorescence properties of GO, GO-PEG, GO-PEG-Fe3O4, GO-PEG-Au, and GO-PEG-FA observed by the fluorescence microscopy in three fluorescence regions: blue (300–420 nm), green (430–540 nm) and red (550–800 nm).