Fig. 6From: Hydrogel–metal-organic-framework hybrids mediated efficient oral delivery of siRNA for the treatment of ulcerative colitisPenetration of MOF-RhoB and SA@MOF-RhoB in colon. a Immunofluorescence of colon tissue detected by CLSM. b RhoB fluorescence statistics of colon tissue sections. c Fluorescence distribution in linear area of colon tissue. The yellow line is the statistical area from the lumen to lamina propria. *means P < 0.05Back to article page