Figure 7

Confocal luminescence images of BHK-21 cells. (a) BHK-21 cells were incubated with sensor H4L (30 μM) for 30 min at 37 °C and (b) then further incubated with B4O72− (100 μM) for 30 min.

Confocal luminescence images of BHK-21 cells. (a) BHK-21 cells were incubated with sensor H4L (30 μM) for 30 min at 37 °C and (b) then further incubated with B4O72− (100 μM) for 30 min.