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. 2020 Jan 19;13(2):481. doi: 10.3390/ma13020481

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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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Synthesized AuNPs (SAuNPs)–ferment data obtained by UV-vis and TEM: (a) TEM images for SAuNPs–ferment obtained after 2 h (a) and 24 h (b) of incubation. UV-vis spectra for SAuNPs–ferment obtained after 2 h (c) and 24 h (d) of incubation.