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. 2018 Feb 13;9:179. doi: 10.3389/fmicb.2018.00179

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Copyright © 2018 Mondal, Ramlal, Lavu, N and Kingston.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Spectral characteristic and visual observation of AuNPs solutions in various conditions. (A) Absorption spectra of AuNPs solutions in various conditions. (B) Microscopic image of AuNPs/aptamer mixed solutions in presence and absence of toxin. (C) Visual observation of AuNPs solutions in various conditions.