Figure 3.
UV–Vis absorption (black) and emission (red, Eu3+; green, Tb3+) spectra of (a) Eu-OxyMepa, (b) Tb-OxyMepa, (c) Eu-Oxyaapa and (d) Tb-Oxyaapa complexes (pH = 7.4 in 0.1 M MOPS, 22 °C). Major transitions are labeled accordingly.
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