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. 2019 Aug 4;12(15):2476. doi: 10.3390/ma12152476

Figure 4.

Figure 4

Morphology of electrospun gelatin nanofibers cross-linked with different strategies: (a) Plasma treatment (scale bar: 5 μm; reprinted from [71]), (b) dehydrothermal treatment (scale bar: 10 μm; reprinted from [54] with permission of Elsevier), (c) EDC/NHS (scale bar = 10 μm; reprinted from [72] with permission of John Wiley and Sons), (d) genipin (scale bar: 1 μm; reprinted from [78] with permission of Elsevier), (e) glutaraldehyde vapor (scale bar: 10 μm; reprinted from [54] with permission of Elsevier), (f) glutaraldehyde solution (scale bar: 5 μm; reprinted from [90] with permission of John Wiley and Sons), (g) glyceraldehyde (scale bar: 1 μm reprinted from [70] with permission of ACS Publications), and (h) Irgacure 2959 with UV treatment (scale bar: 5 μm reprinted from [98] with permission of Elsevier).