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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/).
(A) Fluorescence quenching of CoumC by Iod, (B) ES1 determination, (C) determination of KSV (Stern–Volmer coefficient), and (D) oxidation potential (Eox) determination of CoumC.