Tetrabromorhodamine 123 can be used to generate singlet oxygen (1O2) in mitochondrial membranes. The dye has a quantum yield for singlet oxygen generation of 0.65-0.7 and is particularly toxic to carcinoma cells. &lamba,Ex/&lamba, Em(MeOH) = 524/550 nm epsilon (MeOH) = 91,000 Orange red solid soluble in DMSO or DMF Store at 4C and protect from light, especially in solution C21H13Br5N2O3 MW: 740.86
Source:
Synthetic
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