Bridging Light and Sound: a Spironaphtopyran-Rhodamine Dyad with High-Contrast Photoswitching Between Fluorescence and Photoacoustic Signal.
Nikita Kaydanov, Magdalena Olesińska, Morgane Leite…·Claire Deo
This paper develops a photoswitchable probe that toggles between fluorescence and photoacoustic signals using FRET, enabling dual-modality imaging with high contrast.