Novel Approach to the Analysis of Chemical Third-Order Data
- 26 October 2020
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of Chemical Information and Modeling
- Vol. 60 (10), 4750-4756
- https://doi.org/10.1021/acs.jcim.0c00554
Abstract
For the more complex samples, chemical higher-order data can be collected from various information sources, which become the necessary foundation of accurate analysis. In this article, the Tchebichef cubic moment (TCM) was developed for the analysis of chemical third-order data for the first time. Then, the proposed TCM approach was applied to the fluorescence excitation-emission time data for the analysis of adrenaline and noradrenaline in urinary samples (Data I) and the data fusion of the excitation- emission matrix (EEM), NMR, and liquid chromatography-mass spectrometry (LC-MS) spectra for the determination of the five target components (Data II). For Data I, all of the cross-validation correlation coefficients (R-cv(2)) of the obtained linear models on the calibration set were more than 0.9937 and the prediction root-mean-square errors (RMSEp) of the external independent test samples were less than 0.0250 mu M. For Data II, all of the R-cv(2) were higher than 0.9846 and RMSEp were less than 0.2267 mu M. Compared with several conventional methods, the proposed method was more convenient and accurate. This study provides another effective approach to the analysis of complex samples based on their chemical third-order data.This publication has 23 references indexed in Scilit:
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