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. 2015 Apr 29;5(2):241–275. doi: 10.3390/bios5020241

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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) DPASV response for a bare GC electrode (a) and for a EBB/PPy-modified electrode (b) after preconcentration in 10⁻⁵ M Ag⁺. The response of the electrode to 10⁻⁵ M Hg²⁺ is also shown in (c). Reprinted from [83] with permission from Elsevier; (B) DPASV of the solution containing Cd²⁺ (12.8 ppm) and Pb²⁺ (16.6 ppm) recorded at (a) a poly(diphenylamine-co-2-aminobenzonitrile)-modified electrode and (b) poly(diphenylamine)-modified electrode. Deposition potential = −1.0 V; deposition time = 60 s; pH = 2.1. Reprinted from [88] with permission from Elsevier.