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. 2020 Feb 27;9(3):100. doi: 10.3390/antibiotics9030100

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© 2020 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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Electron microscopic analysis of green-synthesized gold nanoparticles (AuNPs). (A) Transmission electron microscopy (TEM) image representing different sizes of green-synthesized AuNPs. (B) Histogram showing the average particle size as calculated by ImageJ. (C) Individual AuNP at greater magnification, indicating the spherical nature of the particle.