FIG. 5.

Multimodal optical images of microchanneled alginate hydrogel scaffolds after removal from the wound 2 days following treatment with (a) vertical microchannels cultured without fibroblasts, (b) random microchannels without fibroblasts, (c) vertical microchannels with fibroblasts, and (d) random microchannels with fibroblasts. Color key: Yellow, TPEF at 800 nm; Green, GFP fluorescence; Cyan, OCM; Red, DiI fluorescence from labeled fibroblasts. Scale bar is 250 μm. Color images available online at www.liebertpub.com/tec