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. 2021 Feb 5;11(2):224. doi: 10.3390/biom11020224

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© 2021 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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Optical images and Scanning electron micrographs of the synthesized chitosan nanocomposite films. (a) Optical images of chitosan control and nanocomposite films; (b) SEM image depicting the film surface and SEM-EDS spectra of the CuO and ZnO-chitosan nanocomposite films; (i) EDS spectra of Chitosan-CuO NPs films, (iv) (ii) EDS spectra of Chitosan-ZnO NPs nanocomposite film, (iii) Table depicting EDS quantitative results for Chitosan-CuO NPs films, (iv) Table depicting EDS quantitative results for Chitosan-ZnO NPs films.