Toxicity Evaluation following Intratracheal Instillation of Iron Oxide in a Silica Matrix in Rats
Figure 12
Light optical image of the spleen at 24 h after intratracheal instillation of IOSi-NPs in rats at various concentrations. The reference sample is also presented (a). Spleen after 24 hours: control (a), 0.5 mg/kg (b), 2.5 mg/kg (c), and 5 mg/kg (d).
