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. 2021 Jan 28;11:2584. doi: 10.1038/s41598-021-82240-1

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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(a–c) Tissue from animal 20170921-P1. (a) Tissue sections exposed to insonation and QDs (white circle). (b) Tissue from area exposed to insonation only (no QDs). (c) Tissue from area exposed to QDs only. (d,e) Immunofluorescent staining of samples (a,c). The QDs were never detected inside epithelial cells marked by F-actin (red), which is highly concentrated in the apical brush border.

Images a, b and c are reproduced with permission from²⁸.