A Series of Imidazole Derivatives: Synthesis, Two-Photon Absorption, and Application for Bioimaging

Figure 6

(a) One-photon image of HepG2 cells incubated with 20 μM after 20 min of incubation, washed by PBS buffer. (b) Two-photon image of HePG2 cells incubated with 20 μM after 30 min of incubation, washed by PBS buffer. (c) Bright field image of HePG2 cells. (d) The overlay of (a) to (c). Scale bars represent 10 μM.

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