Fig. 11 | Scientific Reports

Fig. 11

From: Fluorescent EGTA-derived carbon dots for turn on–off–on detection of Fe3+ and ascorbic acid via hydrothermal synthesis and cellular imaging

Fig. 11

Live BHK-2 cell confocal fluorescence images. (1) 1a: Fluorescence image of pure BHK-2 cells stimulated by UV light; 1b: Bright field microscopy image of pure BHK-2 cells. 1c: an ultraviolet light-excited layer of pure BHK-2 cells. (2) BHK-2 cells cultured with CDs for one hour at 37 °C were shown in a fluorescence image. (3) Fluorescence picture of BHK-2 cells stained with CDs after 30 min at 80 μM Fe3+. (4) Fluorescence picture of CDs- Fe3+ stained BHK cells after 30 min at 140 μM AA.

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