A turn-on spiropyran functionalized fluorescein derivative (FMC) is developed for targeting HS− in mitochondria.
A water-soluble fluorescent probe based on SiNDs for H2S detection can be used in both fully aqueous media and living cells.
A new ESIPT based fluorescent H2S probe was developed, which exhibited ideal properties such as large turn on fluorescence signal, good selectivity, and it was suitable for visualization of exogenous and endogenous H2S in living cells.