Figure 5

Cytokine levels of (a) IL-5, (b) IL-13, (c) IL-1β and (d) IFN-γ in acute SNP exposure models. IFN-γ, interferon-γ; IL-5, interleukin-5; M-SNP, mesoporous silica nanoparticle; P-SNP, PEGylated silica nanoparticle; S-SNP, spherical silica nanoparticle.