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. Author manuscript; available in PMC: 2014 Jul 11.
Published in final edited form as: Inhal Toxicol. 2012 Dec;24(14):995–1008. doi: 10.3109/08958378.2012.745633

Figure 4.

Figure 4

Pathology observed in C57BL/6 mouse lungs following 7 and 56-day exposures to 60_100 long multi-walled carbon nanotubes (MWCNT). C57BL/6 mice were exposed to the 60_100 long MWCNT for 7 days or 56 days and sacrificed. The lungs were processed in the same manner as described in Figure 1 and representative photomicrographs taken. The top panel of the pair is the 7-day exposed lung section and the bottom panel of the pair is the 56-day exposed lung section. (A) Vehicle (DM) control section. (B) FA04 exposure. (C) FA08B exposure. (D) FA10B exposure. (E) FA17 exposure. (F) FA21 exposure. All of the representative photomicrographs were taken at 100× magnification. The 7-day histology for the 60_100 short MWCNT can be found in the Supplementary Figure 1.