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Fig. 7 | Journal of Nanobiotechnology

Fig. 7

From: Donut-like MOFs of copper/nicotinic acid and composite hydrogels with superior bioactivity for rh-bFGF delivering and skin wound healing

Fig. 7

Wound closure and H&E staining (a) Digital images of full-thickness skin defects of SD rats treated with the GelMA, CuNA@GelMA and CuNA-bFGF@GelMA on day 0, 3, 5, 7, 11 and 14. b Wound closure percentages at different time points. c H&E staining for normal tissues. d H&E staining of wounds on day 3, 7 and 14. Scale bar is 200 μm. Data are expressed as mean ± SD (n = 3). (*p < 0.05, **<0.01, **<0.001 compared to the blank)

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Journal of Nanobiotechnology

ISSN: 1477-3155

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