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. 2019 Dec 20;27(1):66–80. doi: 10.1080/10717544.2019.1704943

Figure 1.

Figure 1.

Fluorescence changes of 1a–1e (1 × 10−5M, Tris-HCl buffer, 1 mM) upon the addition of 5 equiv of various metal ions. The excited wavelength of 1a–1e: 465.0 nm, 465.0 nm, 410.0 nm, 465.0 nm, and 465.0 nm, respectively.