Figure 2From: Toxicity assessment of zinc oxide nanoparticles using sub-acute and sub-chronic murine inhalation modelsCharacterization of surface composition for commercially manufactured ZnO NPs using spectroscopic probes. A. ATR-FTIR spectra of ZnO NPs compared to ZnCO3 in the 1200 t0 1600 cm−1 region. B. High resolution XPS data of ZnO NPs in the Zn 2p, O 1s and C 1s binding energy regions.Back to article page