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. 2019 Dec 12;9(12):1769. doi: 10.3390/nano9121769

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© 2019 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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The fluorescence microscopy images showing the actin cytoskeleton and focal adhesions of IAR-2 (a) and MC3T3-E1 (b) cells on the surface of tested samples. Staining for F-actin (green) and paxillin (red). Bar is 10 μm.