Fig. 4From: Hydrogel–metal-organic-framework hybrids mediated efficient oral delivery of siRNA for the treatment of ulcerative colitisCell viability and siTNFα inhibition of MOF-siRNATNFα and SA@MOF-siRNATNFα. a Cytotoxicity of RAW264.7 cells treated with different formulations. b Quantitative analysis of TNFα in RAW264.7 cells by Elisa kit. n.s means no significance, **P < 0.01, ****P < 0.0001Back to article page