Fig. 3: In vivo localization of PF microspheres 7 and 23 days after implantation assessed using histological staining.

Immunostaining of the PEG (red) and laminin (green) at 7 days (left) and 23 days (right) post-injection. Top: whole cross-section view (scale bar = 1000 µm), Bottom: high magnification view of region with microspheres (scale bar = 50 µm).