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SiR-Lysosome Traces Cathepsin D Activity in Living Cells and Can Be Monitored by Live-Cell Imaging
(A and B′) Images here are stills of a movie taken of SiR-Lysosome in HCC cells. Left images are in DIC while right images are from the red fluorescence filter. Images were captured with an exposure time of 500 ms and a light intensity of 95%. See corresponding Methods Video S1. Scale bar, 10 μm.
