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. 2021 Apr 22;21(9):2949. doi: 10.3390/s21092949

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© 2021 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 (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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AFM 3D models of the films on the GCE surface covered with Azure A electropolymerized from phosphate buffer (a,c), in the presence of 0.2 mg/mL DNA (b,d), and in the absence (a,b) and in the presence of CHCl₃ (c,d); twenty cycles of polymerization. Root mean square values (e) and distribution of heights over the 10 × 10 μm² region for the polymers deposited from the buffer and that with addition of DNA (+DNA), saturated with chloroform (+Chl), and that containing both DNA and chloroform (+DNA + Chl) (f).

AFM 3D models of the films on the GCE surface covered with Azure A electropolymerized from phosphate buffer (a,c), in the presence of 0.2 mg/mL DNA (b,d), and in the absence (a,b) and in the presence of CHCl₃ (c,d); twenty cycles of polymerization. Root mean square values (e) and distribution of heights over the 10 × 10 μm² region for the polymers deposited from the buffer and that with addition of DNA (+DNA), saturated with chloroform (+Chl), and that containing both DNA and chloroform (+DNA + Chl) (f).