Universal correction method of large-scale metabonimics data
A metabolomics data, large-scale technology, applied in the direction of scientific instruments, instruments, measuring devices, etc., can solve the problems of random errors and systematic errors of metabolic data, the difficulty of large-scale data integration, and the decrease of instrument sensitivity, so as to achieve accurate correction , The data processing process is simple and convenient, and the effect of improving quality
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[0032] A total of 1197 fresh central tobacco leaves from Yunnan, Henan and Guizhou were determined by gas chromatography-single quadrupole tandem mass spectrometry (GC-Q-MS). All samples were analyzed on 2 different GC-MS instruments (GC-MS QP2010 and QP2010-plus) and 9 different batches of experiments, where batch 1 had 188 samples and batch 2 had 209 samples , there are 25 samples in batch 3, 25 samples in batch 4, 156 samples in batch 5, 97 samples in batch 6, 84 samples in batch 7, 354 samples in batch 8, and 354 samples in batch 8. In time 9, there were 59 samples, and operations such as replacement of instrument accessories, tuning of mass spectrometry parameters, and replacement of chromatographic columns were performed between different batches. attached Figure 4 The experimental design for this example is listed.
[0033] 1. Sample
[0034] Taking fresh tobacco leaf samples as an example, fresh central tobacco leaves from different origins were collected, stored i...
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