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Abstract | Cited by

A new concept of a chemically deactivatable quencher is proposed for a FRET-based probe that turns-on its fluorescence by either an enzymatic cleavage or a chemical reagent (sodium dithionite). This concept allowed us to quantify the caspase-3 cleavage activity in solution and to reveal unreacted probes in cell experiments.

Graphical abstract: A FRET-based probe with a chemically deactivatable quencher

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