Preparation and Application of Fluorescent Carbon Dots

Figure 11

(a, d, e) Confocal fluorescence image (: 405 nm); (b) bright-field microphotograph of HeLa cells incubated with 200 μgmL⁻¹ of CDs for 4 h and (c) overlay image of (a) and (b) (reproduced with permission from [67]).

(a)

(b)

(c)

(d)

(e)