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. 2019 Sep 27;12(19):3177. doi: 10.3390/ma12193177

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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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Transmission electron microscope (TEM) image of Ag-NP having various shapes and obtained in [186]. At a scale of 100 nm (left) and at a scale 200 nm (right)