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. 2022 Sep 27;12(10):800. doi: 10.3390/bios12100800

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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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Electrochemical detection of cancer miRNAs at the Ho₂O₃-TiO₂ nanobelts-modified electrodes. SWV curves for (a) miR-21: match (1) and mismatch (2–5); (b) miR-1290: match (1) and mismatch (2–8).