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. 2019 Jul 30;14:258. doi: 10.1186/s11671-019-3083-y

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© The Author(s). 2019

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.

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Fig. 8 — HEK-293 Homo sapiens (human)-epithelial morphology-embryonic kidney-fetus cell transfection tests (pSV-β-Gal). a HEK-293 cells, b positive control: LipofectAMINE^TM2000, c CO-AuNP, d Acyl-CO-AuNPs, e COS@1-AuNPs, f COS@2-AuNPs, g COS@3-AuNPs, and h COS@4-AuNPs. Arrows point to transfected cells