Pulmonary Toxicity, Distribution, and Clearance of Intratracheally Instilled Silicon Nanowires in Rats

<table>Field emission scanning electron micrographs of lung tissue from rats intratracheally instilled with 100 <i>μ</i>g Si NW 1 (a), 7 (b), 28 (c) and (d) days after-exposure. At 1 and 7 days, AMs can be seen engulfing Si NW (red arrows) from the epithelial lining (Ep) of the alveoli (d) is a high magnification of the area in the red box in (c), illustrating an interaction between an AM and multiple Si NW 28 days after-exposure.</table>

Journal of Nanomaterials

fig9

Figure 9

Figure 9: Pulmonary Toxicity, Distribution, and Clearance of Intratracheally Instilled Silicon Nanowires in Rats 