Figure 4.
Excitation spectra in blue and emission spectra in red recorded in water for A: H−FFgc−NH2 (λex=340 nm, λem=460 nm); B: H−gcFF−NH2 (λex=340 nm, λem=400 nm); C: H−FFgc−OH (λex=340 nm, λem=460 nm); D: H−gcFF−OH (λex=310 nm, λem=380 nm).
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