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. Author manuscript; available in PMC: 2018 Apr 1.
Published in final edited form as: NanoImpact. 2017 Mar 22;6:69–80. doi: 10.1016/j.impact.2017.03.003

Fig. 4.

Fig. 4

Detection of CeO2 particle clusters in lung tissue. (A): Time-of-flight secondary ion mass spectrometry image (1.5 mm × 1 mm) of a deparaffinated lung tissue slice from rats previously exposed to cerium dioxide aerosol (25 mg/m3) for 28 days. The total ion spectrum is displayed; yellow dots, signals of the CeO+ ion are representing CeO2 particles. (B) Corresponding light microscopy image of A (0.75 mm × 1 mm) (Jungnickel, unpublished).