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. 2018 Jan 9;8(1):6. doi: 10.3390/bios8010006

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© 2018 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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Characterization of the nanoplasmonic biosensor for indirect DA detection. (A) Sensorgrams obtained for the detection of pure D3R and gold nanoparticles conjugated D3R (D3R-AuNPs) on the DA-BSA functionalized surface. (B) Sensorgrams obtained for indirect detection of dopamine at different concentrations (5 nM–5 mM). (C) Standard dose-response inhibition curve for indirect detection of DA. Plots represent mean and standard deviation of each DA concentration (1 nM–5 mM) measured in triplicate.