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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/).
Cyclic voltammetry curves recorded for (a) ITO-LMR electrode in 0.1 M phosphate buffer saline containing 2 mM of KP for 6 cycles at scan rate of 50 mV·s−1; and (b) bare for and KP-modified ITO-LMR in 0.5 M Na2SO4 containing 5 mM [Fe(CN)6]3−/4−, scan rate 100 mV·s−1.