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. 2012 Feb 15;12(2):2136–2151. doi: 10.3390/s120202136

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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 6. — Effect of dye on spectral changes in waveguide-mode sensor. (a) CBB-based signal enhancement with aptamer and factor IXa [22]; (b) Interactions of DNA-aptamer and Hoechst dye [22].