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. 2024 Jun 19;29(12):2915. doi: 10.3390/molecules29122915

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© 2024 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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DPV curves based on different concentrations when detecting (a) AA and DA and (d) DA and UA on Ti₃C₂T_x@TiO₂ NSs/GCE in 0.1 M PBS (pH 7.4). (b,c) Calibration curves for the current vs. concentrations of AA and UA, (e,f) calibration curves for the current vs. concentrations of DA and UA. Error bars based on S/N = 3.