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. 2019 Dec 21;9(1):8. doi: 10.3390/antiox9010008

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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/).

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Atomic force microscopy (AFM) analysis of gold nanoparticles. (A) Grain analysis of AuNPs in 2D image. (B) Histogram of peak distribution of AuNPs. (C) Average size analysis. (D) 3D image of AuNPs.