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. 2008 Dec 15;8(12):8262–8274. doi: 10.3390/s8128262

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© 2008 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.

This article is an open-access article distributed under the terms and conditions of the CreativeCommons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Scheme 1. — Reaction scheme for the preparation of aflatoxin B₁ immunosensor. Step 1: polymerization of thionine. Step 2: formation of AuNP layer. Step 3: loading of AFB₁-BSA conjugate. Step 4: blocking of AFB₁-BSA conjugate layer with HRP.