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Co-registered Molecular Logic Gate with a CO-Releasing Molecule Triggered by Light and Peroxide

Reddy, Gandra Upendar; Axthelm, Jörg; Hoffmann, Patrick; Taye, Nandaraj; Gläser, Steve; Görls, Helmar; Hopkins, Samantha L.; Plass, Winfried; Neugebauer, Ute; Bonnet, Sylvestre; Schiller, Alexander
in: Journal of the American Chemical Society (2017) 4991

Co-registered molecular logic gates com- bine two different inputs and outputs, such as light and matter. We introduce a biocompatible CO-releasing molecule (CORM, A) as Mn(I) tricarbonyl complex with the ligand 5-(dimethylamino)-N, N-bis(pyridin-2- ylmethyl) naphthalene-1-sulfonamide (L). CO release is chaperoned by turn-on fluorescence and can be triggered by light (405 nm) as well as with hydrogen peroxide in aqueous phosphate buffer. Complex A behaves as a logic “OR” gate via co-registering the inputs of irradiation (light) and peroxide (matter) into the concomitant outputs fluorescence (light) and CO (matter). Cell viability assays confirm the low toxicity of A toward different human cell lines. The CORM has been used to track the inclusion of A into cancer cells.

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