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. 2015 Feb 5;15(2):3801–3829. doi: 10.3390/s150203801

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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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Figure 5. — NH₂-DNA and peptide nucleic acid (PNA) immobilization on polyaniline-coated gold film. (Redrawn with permission from [174]. Copyright 2014, American Chemical Society.)