Fluorescent probes for hydrogen polysulfides (H2Sn, n > 1): from design rationale to applications

Hydrogen polysulfides (H₂S_n, n > 1) are gaining much research interest due to their involvement in signaling and cytoprotection. The present review highlights recent advances in the design of fluorescent probes for the detection of H₂S_n along with the fundamental challenges and future prospects in this field.