Benchmarking Thiolate-Driven Photoswitching of Cyanine Dyes.

As shown in Figures 1 and S4a , there is a clear trend toward high τ off /τ on ratios for increasing pH and MEA concentrations. τ off /τ on increased through buffer adjustment by 1 order of magnitude from 460 (10 mM MEA at pH 6.5) to 4,600 (100 mM MEA at pH 8.5) ( Figure S4a ).

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