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Figure 4. Penetration of mesenchymal stem cells to electrospun nanofibers on day 7. Penetration to non-patterned 2D nanofibers (A and B) and patterned 3D nanofibers (C and D). The micrograph shows in figures A and C MSCs stained with DiOC6 for membranes (green) and propidium iodide for nuclei (red). Figures B and D represents color-coded depth profile of cells on scaffolds.
