We found that heptamethine dye IR-820 showed distinct emission peaks in both the NIR-Ia and NIR-Ib windows. IR-820 yielded images of vascular structures in the NIR-Ib window with unprecedented details.… Click to show full abstract
We found that heptamethine dye IR-820 showed distinct emission peaks in both the NIR-Ia and NIR-Ib windows. IR-820 yielded images of vascular structures in the NIR-Ib window with unprecedented details. NIR-Ib fluorescence imaging was useful not only for studying plant transpiration, but also for detecting and differentiating fungal pathogens.
               
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