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Fig. 2 | Stem Cell Research & Therapy

Fig. 2

From: Dendrimer-modified gelatin methacrylate hydrogels carrying adipose-derived stromal/stem cells promote cartilage regeneration

Fig. 2

Physiochemical property analysis of GelMA/PAMAM-MA hydrogels. A Schematic illustration of the preparation of photocrosslinked GelMA/PAMAM-MA hydrogel. B FTIR spectroscopy of gelatin, GelMA, PAMAM and PAMAM-MA. C Optical images of the GelMA/PAMAM-MA hydrogel before and after 365 nm UV light irradiation. D SEM characterization pictures and statistical analysis of GelMA and GelMA/PAMAM-MA hydrogel pore sizes. Scare bars: 40 μm. E. Swelling ratio test of two groups of hydrogels. F In vitro degradation test of GelMA and GelMA/PAMAM-MA hydrogel. G Compressive modulus analysis of GelMA and GelMA/PAMAM-MA hydrogels. Error bar: Mean ± SD, * represents p < 0.05

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Stem Cell Research & Therapy

ISSN: 1757-6512