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. 2020 Aug 22;10(9):1651. doi: 10.3390/nano10091651

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Actin–focal adhesion immunostaining in rMDSCs grown on SN for 1, 5, and 9 days. (a) SN-60, (b) SN-150, (c) SN-300, (d) SN-500, (e) SN-700, and (f) glass. The numbers indicate 1, 5, and 9 days. Diamino-2-phenylindoadihydrochloride (DAPI) (blue), actin (red); focal adhesion (vinculin; green). Magnification, ×400; scale bar = 50 μm. (d’9), (e’9), and (f’9) are enlarged images (magnification, ×1000). (The enlarged actin–focal adhesion immunostaining images are shown in Supporting Information Figures S2 and S3).