A two-photon excitable and ratiometric fluorogenic nitric oxide photoreleaser and its biological applications.

We report for the first time the development of a two-photon excitable NO photoreleaser, CNNO, for ratiometric imaging and tracking of NO release in live cells. CNNO exhibits the merits of spatiotemporal control in both the site-specific NO release in the selected cell culture region and the controllable vasodilation of mouse aorta ex vivo.

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