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Figure 5 | Journal of Nanobiotechnology

Figure 5

From: Investigating the immunomodulatory nature of zinc oxide nanoparticles at sub-cytotoxic levels in vitro and after intranasal instillation in vivo

Figure 5

H&E staining of lung sections of mice treated with (A) vehicle control, (B) LPS, (C) pristine 30 nm ZnO NPs and (D) surfactant-dispersed 30 nm ZnO NPs via intratracheal instillation. AV indicates the alveolar region of the lung. Red arrows indicate haemorrhage and black arrows demonstrate thickened bronchial walls.

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