A ratiometric fluorescence sensor for special detection of β-galactosidase and screening of its inhibitor in complex mixtures.

β-Galactosidase (β-Gal) serves as the critical biomarker for age-related disorders, and is closely related to fruit ripening and senescence. In this study, the depletion of p-nitrophenyl-β-d-galactopyranoside (PNPG) attenuated both the Förster resona…

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