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. 2010 Jun 9;10(6):5859–5871. doi: 10.3390/s100605859

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© 2010 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 1. — Bland-Altman difference plot for IgE detection results by QCM biosensor and chemoluminesence method. On the horizontal axis, plot the mean of results by the two studied methods. (A) Bland-Altman difference plot comparing IgE detection results obtained with aptamer-based QCM biosensor against Chemoluminesence (Beckman). (B) Bland-Altman difference plot comparing IgE detection results obtained with antibody-based QCM biosensor against Chemoluminesence. The solid line represents the mean difference in quantitative measurement of IgE between the two methods, and the dashed lines are mean ±1.96 SD.