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. 2017 Mar 16;7:44718. doi: 10.1038/srep44718

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This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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(A) A schematic of the experimental setup is shown. FITC functionalized, gold nanoparticle were aerosolized and delivered onto locust antenna. Inset reveals the details of the early invertebrate olfactory pathway. (B) Top, An image of a segment of the locust antenna after AuNP aerosol exposure is shown. Notice that sensory hairs (cone like structures on the antenna surface) show different levels of fluorescence. Bottom, Similar fluorescence image of a brain segment is shown. (C) TEM micrograph of a brain slice confirms accumulation of AuNPs in the locust brain.