Development and Validation of an ELISA at Acidic pH for the Quantitative Determination of IL-13 in Human Plasma and Serum

<table>Interrun precision of endogenous IL-13 measurement in two human plasma samples at pH 5 and pH 3.5. The endogenous IL-13 concentration was measured at pH 5 and pH 3.5 in three independent runs. Precision (% CV) of the three measures was calculated for the two plasma samples.</table>

Disease Markers

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Figure 3

Figure 3: Development and Validation of an ELISA at Acidic pH for the Quantitative Determination of IL-13 in Human Plasma and Serum 