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bit25010-sm-0001-SuppData-S1.docx243KFigure S1. Visualization of the expansion of cell clusters on cell microarrays in a 3D collagen gel. A: The scheme for visualizing cancer cell invasion on the stamped cell microarray in a collagen gel sheet. B and C: Fluorescent images of microarrays of HeLa-EGFP cells (B) and HT-1080-EGFP cells (C) embedded in the collagen gel sheets were obtained with a fluorescent image scanner using the excitation lasers at 488 nm before and after incubation for 24 h. Scale bars are 1 mm.

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