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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: Adv Healthc Mater. 2020 Apr 27;9(10):e2000041. doi: 10.1002/adhm.202000041

Figure 1.

Figure 1.

Formation and characterization of the injectable SFN-P hydrogel systems: (a) Photographs of the hydrogels formed under the electric field, aqueous 2 wt% SFN hydrogel transformed to aligned SFN hydrogel. (b-d) microscopy images of SP, MP, and LP. Scale bars 200 μm; (b’-d’) SEM images of aligned topography in SP, MP, and LP. Scale bars 400 nm. (e) the size distribution of the particles after the blending (n = 6). After separation, SM, MP and LP were obtained. (f) FTIR analysis of SFN, SFN-SP, SFN-MP, and SFN-LP hydrogels. (g) Inversion test of different hydrogels for 24h. (h, i) Injectable ability of SFN-LP hydrogel through 14G syringe. (j) viscosity property of different hydrogels. (k) frequency sweep of different hydrogels. (l) Storage modulus (G’) changes following the increase of temperature of different hydrogels.