Light‐Switchable Buffers
Cesare Berton, Daniel Maria Busiello, Stefano Zamuner, Rosario Scopelliti, Farzaneh Fadaei‐Tirani, Kay Severin, Cristian Pezzato
Abstract
A visible light-switchable buffer system based on a merocyanine photoacid is presented. Para-substitution of the indolium side with a methoxy group affords a compound suitable for making hydrolytically stable aqueous buffers whose pH can be tuned between 7 and 4 using 500 nm light.
Topics & Concepts
MerocyanineAqueous mediumAqueous solutionBuffer (optical fiber)ChemistryPhotochemistrySubstitution (logic)Visible spectrumCombinatorial chemistryMaterials scienceOptoelectronicsComputer scienceOrganic chemistryPhotochromismTelecommunicationsProgramming languagePhotochromic and Fluorescence ChemistryPhotoreceptor and optogenetics researchSupramolecular Self-Assembly in Materials