Blood normalized biodistribution of radiolabelled NP 30 minutes after intra-venous injection (IV) or intra-arterial administration (IA) in TNFα injured animals: (A) lungs and (B) brain. Please note the logarithmic scale. ** (p<0.01, IgG vs anti-ICAM-1); # (p<0.05, IV vs IA) one-way ANOVA (Bonferroni post-hoc analysis); * (*p<0.05, Mann-Whitney) for the ISI. Mean±SD. NPs: n=3 (IgG and anti-ICAM-1, IV); n=3–5 (IgG and anti-ICAM-1, respectively, IA.