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. 2008 Jun 25;3(6):e2498. doi: 10.1371/journal.pone.0002498

Figure 5. (A) Gross image of a poly(ethylene glycol)-diacrylate (PEGDA) hydrogel.

Figure 5

(bar = 5 mm) (B) Safranin-O and H&E staining of chondrogenic-committed cells in PEGDA or PEG-RGD hydrogels after 3 weeks in vitro culture. (bar = 100 µm) (C) Real-time PCR analysis indicated distinct cellular response in RGD-modified hydrogels.