Design and Synthesis of a Fluorescent Probe Based on Copper Complex for Selective Detection of Hydrogen Sulfide

Figure 2

Fluorescence spectra of Cu²⁺ ions with probe NA-LCX (20 μM) in DMSO : HEPES (3 : 2, ) at an excitation of 312 nm. Inset figure: for probe NA-LCX at 575 nm upon the addition of different equivalents of Cu²⁺ ions.