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. 2017 Apr 13;17(4):849. doi: 10.3390/s17040849

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© 2017 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 (http://creativecommons.org/licenses/by/4.0/).

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Left panels—Dark field images of NPs with attached DNAzyme (Scheme 1, Route A) before (top) and after (bottom) silver enhancement experiment. Right panels—Dark field images of NPs without DNAzyme presence (Scheme 1, Route B) before (top) and after (bottom) silver enhancement experiment.