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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: Biomaterials. 2012 Aug 13;33(32):8026–8033. doi: 10.1016/j.biomaterials.2012.07.058

Figure 4. Histology of HA-blood hydrogels (lysed WK rat) following in vivo application.

Figure 4

A. H&E staining of myocardium 1hr after intra-myocardial injection of hydrogel (black arrow).

B. Saffranin-O staining reveals presence of intra-myocardial hydrogel (black arrow) 1hr after intra-myocardial injection

C. H&E staining of myocardium 24hrs after epicardial application of hydrogel (black arrow) reveals neutrophil infiltration in the epicardium at the hydrogel-myocardial interface

D. H&E staining of myocardium 7d after epicardial application of hydrogel (black arrow) reveals presence of epicardial hydrogel