L. Giordano et al., Fluorescence resonance energy transfer using spiropyran and diarylethene photochromic acceptors, MOLECULES, 5(3), 2000, pp. 591-593
We describe the preparation and photophysical characterization of two model
compounds designed to test: a new approach for the quantitative determinat
ion of Fluorescence Resonance Energy Transfer (FRET) in biological systems.
The method enables modulation of FRET by exploiting the unique reversible
spectral properties of photochromic diarylethenes and spiropyrans to create
switchable energy acceptors.