Figure 5.
Characterization of the synthesized SPION–IL-1Ra conjugates. (A) Hydrodynamic size (r.nm) of the SPIONs and SPION–IL-1Ra nanoparticles. (B) Zeta potential for the SPION–IL-1Ra conjugates. (C) DLS assay for the SPION–IL-1Ra particles incubated with isotype IgG antibodies or monoclonal anti–IL-1Ra antibodies for 4 hours.