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. Author manuscript; available in PMC: 2020 Mar 9.
Published in final edited form as: J Fluoresc. 2001 Jun;11(2):101–107. doi: 10.1023/A:1016673300913

Fig. 6.

Fig. 6.

Power dependence of coumarin–DTPA–Eu fluorescence intensity at 620 nm on excitation wavelength. Vertical axis: Ratio of fluorescence intensity for excitation power of 0.8 W to fluorescence intensity for excitation attenuated 2.1 times (0.38 W). Eu, 7.5 mM; coumarin–DTPA, 6 mM; buffers—1 mM MOPS, 7.5% DMF, 75% D2O.