Figure 4 | Scientific Reports

Figure 4

From: Tryptophan-based chromophore in fluorescent proteins can be anionic

Figure 4

Time-resolved fluorescence spectra of WasCFP.

(a) Emission decay contour plots of WasCFP at various pH. The difference between the neighboring lines corresponds to the constant intensity difference on a logarithmic scale. Red color corresponds to higher intensities. (b) Fluorescence decay curves of WasCFP detected at 510 nm under 372 nm or 467 nm excitation in solutions with various pH.

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