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CAY10732 is a fluorescent probe for the detection of carbon monoxide.¹ In the presence of palladium (Pd) and carbon monoxide, CAY10732 undergoes the Pd⁰-mediated Tsuji-Trost reaction to release 2,7-dichlorofluorescein, and its fluorescence can be used to detect carbon monoxide production in vitro and in live cells. 2,7-Dichlorofluorescein displays excitation/emission maxima of 493/527 nm, respectively.

3′,6′-Bis(allyloxy)-Fluoran is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are also widely used in traditional fields such as textile dyeing, as well as in emerging fields such as functional textile processing, food pigments and dye-sensitized solar cells.

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1. Feng, S., Liu, D., Feng, W., et al. Allyl fluorescein ethers as promising fluorescent probes for carbon monoxide imaging in living cells Anal. Chem. 89(6),3754-3760(2017).