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Lung tissue from mice treated with, NP-0, NP-15, and NP-15-MPG particles. Lung tissue was harvested 4 hours post administration. The nucleus (Dapi) is shown in blue. Macrophages and CECs are shown in red, while NPs are shown in green. Insets depict co-localization of NPs with macrophages or CECs. All images were taken at 20X magnification. White scale bar is equal to 58 µm.
