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. 2020 Mar 13;10:4696. doi: 10.1038/s41598-020-61756-y

Figure 1.

Figure 1

Schematic depicting 800CW and NE680 transport in inflamed gut. Intravenously dosed Neutrophil Elastase 680FAST is optically silent until protease cleavage at the site of disease, allowing fluorescence to recover. Paracellular transport of orally dosed 800CW across tight junctions in inflamed colonic tissue allows for systemic measurements.