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International Journal of Bioprinting 3D-printed skin substitute accelerates wound healing in vivo
A
B
C D
Figure 6. Immunohistochemistry staining was performed to assess the expression of CD31 on days 7 (A) and 14 (B) after the operation and quantification
of capillary number was performed on days 7(C) and 14 (D). Scale bar = 100 μm. *P < 0.05; **P < 0.01; ***P < 0.001.
has high biocompatibility and low immunogenicity, there collapse, and the relatively long gelation time. But these
are also some disadvantages, such as poor mechanical could be improved by mixing it with other materials or
properties, low printing resolution, susceptibility to crosslinking agents .
[15]
Volume 9 Issue 2 (2023) 402 https://doi.org/10.18063/ijb.v9i2.674
