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. Author manuscript; available in PMC: 2015 Oct 24.
Published in final edited form as: Nanoscale. 2015 Jun 7;7(21):9462–9466. doi: 10.1039/c5nr01518a

Fig. 2.

Fig. 2

Representative flow cytometry histograms of KB-3-1 cells incubated with 1 and 2 to demonstrate the concentration and time dependence. (A) Probe 1 (0–200 μM) and (B) probe 2 (0–50 μM) for 2 hour incubation. (C) Probe 1 (200 μM) and (D) probe 2 (50 μM) for 0.5, 1, 2 and 4 hour incubation. Representative fluorescence images of KB-3-1 cells after incubation with probe 1 (200 μM) (E) and probe 2 (50 μM) (F) for 2 hours. Scale bars are 20 μm.