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. 2017 Mar 1;15:17. doi: 10.1186/s12951-017-0250-0

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© The Author(s) 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 5 — Confocal images of SiNWs after incubation with CHO-β cells. a Dark field (left) and fluorescence (right) images of the SiNW-NH₂ after 1 h of incubation with DiI at 37 °C. b The transmission and fluorescence images of the control and c after 10 h of incubation with SiNW-NH₂ at 37 °C. Arrows represent location of wires. Scale bars 20 µm