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. 2014 Feb 25;7(3):1455–1472. doi: 10.3390/ma7031455

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© 2014 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/3.0/).

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Figure 1. — (A) Dependence of position of peak A and B of adenine-containing nucleotide dA15. Red points indicate potential values of peak A, green points indicate potential values of peak B, determined by square wave voltammetry with following parameters: start potential −0.1 V, end potential −1.6 V, deposition potential −0.1 V, accumulation time 720 s, equilibration time 5 s, voltage step 0.006 V, amplitude 0.02 V, frequency 280 Hz (sweep rate 1.6663 V/s). In inset: typical SW voltammograms of adenine-containing nucleotide dA15 at various concentrations; (B) Dependence of relative height and potential of peak A and B on the applied deposition potential for dA15 at concentration 25 μg/mL; (C) Dependence of a relative height and potential of peak A and B on the accumulation time for dA15 at concentration 25 μg/mL; (D) Influence of applied frequency on intensity of peak A and B for dA15 at concentration 25 μg/mL. Two different frequencies were applied, 100 (blue points) and 280 Hz (red points).