Research Article

Efficient β-Carboline Alkaloid-Based Probe for Highly Sensitive Imaging of Endogenous Glutathione in Wheat Germ Tissues

Figure 3

Fluorescence responses of KL-DN (10 μM) to different amino acids (20 μM) (blank bar) in DMSO/PBS buffer (1:1, v/v, 10 mM, pH 7.4), λex = 310 nm. Red bars represent the intensity with subsequent addition of GSH (20 μM).