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hBMSCs survived well in 2D and 3D culture in GelMA scaffolds that showed porous structural characteristics (A,B) The irregular elliptical pores structural features on the surfaces of GelMA and GA/GelMA. Scale bars, 10 μm. (C,D) Culture of GFP-hBMSCs at day 3 in 2D and 3D GelMA scaffolds. Scale bars, 100 μm.
