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. Author manuscript; available in PMC: 2018 Feb 28.
Published in final edited form as: J Control Release. 2017 Jan 7;248:53–59. doi: 10.1016/j.jconrel.2017.01.008

Fig.6.

Fig.6

Images of histology sections indicating the degree of nascent bone formation at the defect sites at 28 days in response to indicated treatments. Representative histology sections after (a) H&E, and (b) Masson’s trichrome staining. As shown, there is qualitatively more bone area in the combination PEI-(pBMP-2+pFGF-2) group compared to the PEI-pBMP-2 or PEI-pFGF-2 only. NB-native bone and RB-regenerated bone. Note the complete bridging of new bone (indicated by the arrows) in the group treated with scaffolds embedded with PEI-(pBMP-2+pFGF-2) nanoplexes.