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. 2015 Sep 18;15(9):23868–23885. doi: 10.3390/s150923868

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© 2015 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 license (http://creativecommons.org/licenses/by/4.0/).

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(A) Cyclic Volatmmograms of Hb-PAA-450k(1:0.8:1.5) modified GC electrode at different concentration of H₂O₂ (Inset: corresponding calibration plot); (B) Amperometric response of Hb-PAA modified electrode with successive additions of H₂O₂ in PB pH 7.4 at an applied potential of −0.335 V at 25 °C; (C) Corresponding calibration plot of amperometric response towards H₂O₂.