Novel method for chromatography-mass spectrometry metabolomics data analysis
A technology of metabolomics data and mass spectrometry data, which is applied to the analysis of materials, scientific instruments, and material separation. It can solve problems such as the imbalance between the number of variables and the number of samples, complex qualitative identification of differential metabolites, and overlapping chromatographic peaks. The effect of convenient filtering
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[0027] The technical solution of the present invention will be described in detail below according to the drawings and examples, and the positive effects of the present invention will be clarified, but this does not constitute a limitation to the present invention.
[0028] EXAMPLE Metabonomics study of myocardial ischemia (Myocardial ischemia, MI) rat plasma.
[0029] Animal experiment: SD male rats were randomly divided into 3 groups, 6 in each group: A. sham operation group; B. MI group; C. positive drug group. For intragastric administration, groups A and B were given vehicle, and group C was given isosorbide dinitrate (5 mg / kg / d) for 5 consecutive days. Myocardial ischemia model was established after administration on the last day: After SD rats were anesthetized, in the third and fourth intercostal spaces, along the left edge of the sternum 1cm, cut the chest wall muscles to expose the chest cavity, cut the pericardium to expose the heart, and cut the pericardium to expo...
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