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. 2016 Dec 14;6:39140. doi: 10.1038/srep39140

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Copyright © 2016, The Author(s)

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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SEM images showing (a) the PLGA microspheres and (b) the CLMs. The size distributions of the microspheres and the CLMs were given under the respective SEM image. (c) Day 7 and (d) day 14 L929 cell viabilities on PLGA microspheres, 1.5 mg/mL collagen, 1.5 wt/v% agarose and AC hydrogel. First set of fluorescence images (left) are the live (green)/dead (red) images of the cellular construct captured by the fluorescence microscope; the graphs on the right show the 2.5D reconstruction of the fluorescence images for a clearer visualization of the positions of live and dead cells. Scale bars, 500 μm.