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. Author manuscript; available in PMC: 2020 Apr 15.
Published in final edited form as: Sens Actuators B Chem. 2019 Jan 10;285:76–83. doi: 10.1016/j.snb.2019.01.041

Figure 6.

Figure 6.

Absorbance (a) and emission (b) spectra obtained for probe 2 (5 × 10−7 M) in water upon addition of different ion species at 20 °C. Emission spectra were recorded by exciting probe 2 at 440 nm.