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. 2012 Oct 10;103(12):2045–2050. doi: 10.1111/cas.12005

Figure 1.

Figure 1

Existence of multi‐walled carbon nanotubes (MWCNT)‐N, MWCNT‐M and crocidolite (CRO) fibers in the cell pellets of the pleural cavity lavage (PCL). (a) Images of H&E‐stained slides of the cell pellets of the PCL treated with MWCNT‐N, MWCNT‐M and CRO fibers. (b) Polarized light microscope (PLM) images of the same view areas shown in (a). (c) Scanning electron microscope observation showed the existence of the MWCNT and CRO fibers in the cell pellets of the PCL. (d) CD68 immunostaining of the PCL cell pellet slides. (e) PLM observation of the same view areas shown in (d) indicate that MWCNT and CRO fibers were present in the CD68‐positive macrophages. Arrows indicate MWCNT‐N, MWCNT‐M and CRO fibers.