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. 2012 Aug 2;12(8):10487–10499. doi: 10.3390/s120810487

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© 2012 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 3. — Non-PCR amplified S. enteritidis genomic DNAt can be detected from a mixed DNA culture using the AuNP-DNA biosensor. Graphs represent the average differential current peak values vs. DNAt concentration. (A) TRIzol^® extracted genomic DNAt from PBC and (B) phenol/ethanol extracted genomic DNAt from PBC. H₂O, blank control; NS-DNA, non-specific PCR amplified B. anthracis DNAt (0.1 ng/μL) negative control; HCl, 1M hydrogen chloride. Graphs represent the average value of duplicate samples for each condition. Error bars represent the standard deviation of the mean.