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. 2019 Jan 10;9(1):22. doi: 10.3390/biom9010022

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Confocal images of cellular uptake of CPP/quantum dots different combinations of free SR9, free quantum dots (QD) and SR9/QD complexes. Adapted from Journal of Nanoscience and Nanotechnology with permission from correspondent author Han-Jung Lee, published by HHS Public Access 2010, Copyright 2010 [97].