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Cytocompatibility of bioprinted scaffolds evaluated by (a) Cell viability of bioprinted alginate scaffolds cross-linked with calcium and barium cross linkers estimated by MTT assay, and (b) Effect of Barium ions on cell viability in constructs, (c) Live/Dead staining and (d) Rhodamine-phalloidin staining of barium crosslinked constructs. * indicates significant difference at p < 0.01. # indicates significant difference at p < 0.01 with all other groups.
