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. 2021 Sep 27;11(10):2525. doi: 10.3390/nano11102525

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

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Steps involved in the construction of a chitosan-CDs based electrochemical DNA sensor for the detection of mutagenic nitrosamines. Reprinted from [212], with permission from American Chemical Society, 2020.