Fig. 4From: SPIO Enhance the Cross-Presentation and Migration of DCs and Anionic SPIO Influence the Nanoadjuvant Effects Related to Interleukin-1βSPIO coated with differently charges affected DC cross-presentation and IL-1β secretion. a The pH-dependent zeta potential of SPIO coated with differently charged molecules. b Locations of nanoparticles with different charges in DCs under TEM. c IL-1β induced by SPIO coated with differently charged molecules. d Cross-presentation of SPIO/A++OVA and SPIO/D− + OVA by DCs through the TLR3 pathwayBack to article page