Fig. 1 | Nature Communications

Fig. 1

From: Ultrasensitive reversible chromophore reaction of BODIPY functions as high ratio double turn on probe

Fig. 1

Hypothetical chemical transformation induced dual signal double turn on process. The boron dipyrrolmethane has neither absorption (colorless) nor fluorescence in visible region, thus be in a silent state in visible region. But the BODIPY has both strong absorption and fluorescence in visible region. The transforming from dipyrrolmethane to BODIPY accordingly induces sharp photophysical changes with “dual signal” “double turn-on” process

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