Figure 5.

(A) Time-dependent fluorescence emission spectra of H6M (5 μM) incubated with NTR (10 µg/mL) and NADH (500 µM) in 10% DMSO aqueous with an excitation wavelength at 450 nm. (B) Fluorescence spectroscopic changes at 500 nm were monitored at 1-h intervals (pH = 4.00).