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. 2015 Jun 18;16(3):034610. doi: 10.1088/1468-6996/16/3/034610

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© 2015 National Institute for Materials Science

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Figure 2. — (a) Docking density of the modified PEG influencing the amount of protein adsorbed on the surface of Au NPs. PEG-modified density then determines the Au NP amount by macrophage uptake. Reprinted with permission from [80]. Copyright 2012 American Chemical Society. (b) Cellular uptake pathways for NPs: intracellular trafficking processes and possible endocytosis pathways. Reprinted with permission from [42]. Copyright 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.