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. Author manuscript; available in PMC: 2015 Aug 4.
Published in final edited form as: Chem Commun (Camb). 2014 Aug 4;50(60):8219–8222. doi: 10.1039/c4cc03527e

Figure 2.

Figure 2

Modulating the signal transduction through changing the pH and excitation wavelength. (a) Fluorescence emission upon excitation at 480 nm for 1 and 1 + Cys or Hcy at various pH values. (b) Fluorescence emission upon excitation at 495 nm for 1 and 1 + Cys or Hcy at various pH values. (c) Comparison of 1 and 2 response upon excitation at 495 nm at pH 6.0. All solutions are composed of 4 µM of 1 or 2 with 1 mM of analyte in 100 mM phosphate or carbonate buffer:DMSO 99:1 at 20 °C after 2 hr, λem = 515 nm.