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. 2022 Sep 20;12(10):778. doi: 10.3390/bios12100778

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© 2022 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 (https://creativecommons.org/licenses/by/4.0/).

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SEM images of Au@TiO₂ material (Au = 8.14%) at different magnifications; (a) 30 kx and (b) 100 kx. (c,d) EDX profiles for Au@TiO₂ and Au@TiO₂/MWCNT materials confirming the presence of elements as expected.