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. 2022 Nov 7;12(11):984. doi: 10.3390/bios12110984

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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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Schematic representation of the fabrication of PFDT-ACE2 biosensor. Top portion shows the sensor fabrication procedure and bottom part shows sensor signals obtained using electrochemical impedance spectroscopy. PFDT, 1H1H,2H,2H-Perfluorodecanethiol; R_ct: Charge transfer resistance. Adapted from Ref. [65] with permission from the Royal Society of Chemistry. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. https://creativecommons.org/licenses/by/3.0/ (accessed on 21 October 2022).