Figure 2.
Time-dependent UV–Vis spectra of (a) HL1 and (b) HL2 at physiological pH {cL = 100 µM; pH = 7.40 (20 mM HEPES); T = 298 K; I = 0.10 M (KCl); ℓ = 1.0 cm; 1% (v/v) DMSO}.
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