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. 2016 Oct 10;6:34874. doi: 10.1038/srep34874

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Copyright © 2016, The Author(s)

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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Confocal microscopy study representing the morphology of Hep2 cells treated with nanoparticles for 24 h (a) Nk, (b) Nk@A, (c) FA-Nk@A which shows negligible cell death but (d) Dox-FA-Nk@A clearly shows the increased cell death at higher concentration of nanoparticles (Scale bar-20 μm).