Why resazurin sodium salt turns to pink and has fluoresence at pH9?

Resazurin has a blue to purple color (at pH > 6.5) . It can be irreversibly reduced to the pink-colored and highly fluorescent resorufin (7-Hydroxy-3H-phenoxazin-3-one). Surprisingly, 300ul...

18 May 2020 3,177 3 View