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. 2011 Jan 19;11(1):1078–1087. doi: 10.3390/s110101078

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© 2011 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 7. — Comparison between sugar solution and RI standard sample test (Sensor 1). The sensor could detect large and small changes in RI equally well.