Absorbance summation: A novel approach for analyzing high-throughput ELISA data in the absence of a standard.

Absorbance summation: A novel approach for analyzing high-throughput ELISA data in the absence of a standard.
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DOI:
10.1371/journal.pone.0198528
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发表时间:
2018
期刊:
影响因子:
3.7
通讯作者:
Cui X
Cui X
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Hartman H;Wang Y;Schroeder HW Jr;Cui X

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我们开发了一种非常简单的方法,称为吸光度求和(AS),用于在没有标准的ELISA分析中比较样品之间的蛋白质浓度。该方法将观察到的所有稀释度的吸光度值相加,为每个样品获得一个数据点,用于比较。与拟合s型曲线相比,AS的计算量更少,并且避免了吸光度值主要位于曲线下尾的样本参数估计的困难。我们的模拟研究表明,它比s型曲线拟合方法和传统的终点滴度方法要好得多。这种简单的方法的效率与正式的曲线拟合和曲线下面积(AUC)估计一样高。
We have developed a very simple method, termed absorbance summation (AS), for comparing protein concentrations between samples in ELISA assays without a standard. This method sums the observed absorbance values from all dilutions to obtain one data point for each sample to be used for comparison. AS is less computationally intensive than fitting sigmoidal curves, and it avoids the difficulty of parameter estimation for samples with absorbance values lying primarily at the lower tail of the curve. Our simulation studies showed that it performs much better than the sigmoidal curve fitting method and the conventional endpoint titer method. The power of this simple method is as high as the formal curve fitting followed by the estimation of area under the curve (AUC).
四和五参数逻辑模型之间的非线性校准模型选择。
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