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. 2021 Feb 18;6(9):2820–2828. doi: 10.1016/j.bioactmat.2021.02.009

Fig. 6.

Fig. 6

A) Photographs of GelMA-TP hydrogel treated DPPH solutions with the time ranging from 0 to 20 min. B) UV–vis absorption spectra of GelMA-TP hydrogel treated DPPH solutions with the time ranging from 0 to 20 min. C) DPPH clearance of GelMA-TP hydrogel versus time. D) Inhibition zones against E. coli and S. aureus of GelMA hydrogel and GelMA-TP hydrogel. E-F) In vivo wound healing evaluation, representative photographs of wound and wound closure rates after various treatments at days 0, 3, 6, 9, and 12. (Scale bar: 10 mm * indicates significance, *p < 0.05).