Fig. 4From: High-dose intranasal application of titanium dioxide nanoparticles induces the systemic uptakes and allergic airway inflammation in asthmatic miceQualitative immunofluorescence staining of immune cells in the lung sections (Green arrows indicate alveolar macrophages [F4/80 positive, red] and orange arrows represent neutrophils [Ly6G positive, blue]); a Eosinophils [siglec-F positive, blue] and T lymphocytes [CD3ε positive, red] as indicated by yellow and white arrows, respectively, b Nucleus visualization in cyan using DAPIBack to article page