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. 2022 May 23;12(10):1779. doi: 10.3390/nano12101779

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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 characterization of electrode interface after CNM modification. (a) Comparison of the cyclic voltammograms, (b) scan rate study (for MWNT-based SPEs), and (c) linear regression of SWNTs, MWNTs, GNPs, and bare SPEs obtained using 10 mM [Fe(CN)₆]^4-/3- in 0.05 M PBS. Curves of one representative CNM-modified SPE sensor of at least 6 analyzed platforms are presented.