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Injectable cryogel-based whole-cell cancer vaccines. (A) Schematic of an alginate-derived active vaccine formulation. (B-C) SEM imaging (B) and SEM cross-sectional image (C) of the alginate cryogel. (D-E) 2-D confocal micrograph (D) and 3-D reconstructed confocal fluorescence micrograph (E) of the alginate cryogel. Irradiated B16-F10 cells on a typical RGD-containing cryogel was showed in the picture. Reprinted with permission from ref. 133. Copyright 2015 Nature Publishing Group.
