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. 2014 Jun 12;6(6):517–531. doi: 10.1002/wnan.1279

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© 2014 The Authors. WIREs Nanomedicine and Nanobiotechnology published by Wiley Periodicals, Inc.

This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Fig 2 — Correlation between neutrophil influx and normalized Saa3 mRNA levels in lung tissue 1–28 days following instillation or inhalation of various nanomaterials or dust collected at a biofuel plant. Saa3 mRNA levels were quantified by real-time PCR and normalized to 18S. Exposures include inhalation of carbon black and TiO₂ nanoparticles (open squares), instillation of carbon black and TiO₂ nanoparticles (filled diamonds), instillation of carbon nanotubes (filled circles), instillation of biofuel dust (filled triangles), instillation of vehicle (negative control) (filled squares). (Reprinted with permission from Ref 11. Copyright 2013 under Creative Commons Attribution License)