Fig. 4: Spectroscopic properties of H4.
From: Upconversion NIR-II fluorophores for mitochondria-targeted cancer imaging and photothermal therapy
a Fluorescent emission of H4 (10 µM) in EtOH with different concentrations of HCl. b Absorbance and c fluorescent emission of H4 in different acids. d Absorbance and e fluorescent emission of H4 in 10 µM different solvents. f Fluorescent intensity of H4 in DMSO at different times. g Absorbance and h fluorescent emission of H4 in EtOH with different concentrations. i Compared stability of H4 with ICG in DMSO under continuous 808 nm laser irradiation.
