Figure 5
From: Difluoroboron β-diketonate polylactic acid oxygen nanosensors for intracellular neuronal imaging
Potassium concentration effect on neuronal activity. (a) Ratiometric images under low K+ (2 mM) and high K+ (5 mM) concentration. (b) Ratiometric imaging in the presence of 2 mM and 5 mM extracellular KCl. Black arrows mark the regions with lower oxygen.
