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. 2019 Feb 13;24(4):656. doi: 10.3390/molecules24040656

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© 2019 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 (http://creativecommons.org/licenses/by/4.0/).

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The electrochemical impedance spectroscopy (EIS) characterization recorded for different electrodes: CPE/TiO₂/(CS+AuNPs), CPE/TiO₂/(CS+AuNPs)/anti-ProGRP and CPE/TiO₂/(CS+AuNPs)/anti-ProGRP/BSA/ProGRP.