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. 2013 Oct 15;13(10):13917–13927. doi: 10.3390/s131013917

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© 2013 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 4. — (a) EMF as a function of time of the InN QDs based biosensor for 500 μM cholesterol concentration; (b) EMF as a function of time of the InN thin film based biosensor for 500 μM cholesterol concentration; (c) EMF as a function of time of the InGaN layer based biosensor for 500 μM cholesterol concentration; (d) EMF as a function of time when adding 50 μM uric acid (UA) and ascorbic acid (AA) to the 500 μM cholesterol solution.