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. 2020 Dec 11;8(1):rbaa053. doi: 10.1093/rb/rbaa053

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© The Author(s) 2020. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 4. — (A) The FDA/PI staining of 3D cultured rBMSCs with composite hydrogels at 1, 3, 7 and 14 days and the phalloidin-DAPI staining of composite hydrogels at 3, 7 and 14 days. The scale bar of FDA/PI staining images and phalloidin-DAPI staining images is 500 and 50 μm, respectively. (B) Macroscopic images of 3D cultured rBMSCs with hybrid hydrogels at 1, 3, 7 and 14 days. (C) Proliferative capacity of rBMSCs in hydrogels. (D) The size change of composite materials at 1, 3, 7 and 14 days.