Synthesis of a photocontrollable hydrogen sulfide donor using ketoprofenate photocages.

We report the design, synthesis and application of a directly photocontrollable hydrogen sulfide (H2S) donor, which releases H2S proportionally to the intensity and duration of photoirradiation. Photocontrolled H2S release from this donor was also demonstrated in bovine serum. This H2S donor should be suitable for use in various biological systems.

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