METABOLOMICS RELATIVE QUANTITATIVE ANALYSIS METHOD BASED ON UPLC/HMRS
The present invention belongs to the technical field of metabolomics, and relates to a metabolomics relative quantitative analysis method based on UPLC/HRMS. Specifically, the present method mainly comprises the steps of formulating an isotope internal standard mixed solution, a standard curve corre...
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Format | Patent |
Language | English |
Published |
30.03.2023
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Abstract | The present invention belongs to the technical field of metabolomics, and relates to a metabolomics relative quantitative analysis method based on UPLC/HRMS. Specifically, the present method mainly comprises the steps of formulating an isotope internal standard mixed solution, a standard curve correction solution, and a metabolomics sample solution; acquiring raw mass spectrum data of the standard curve correction solution and the metabolomics sample solution; transposing and deconvolving the raw data; identifying and selecting the optimal isotope internal standard; fitting a linear equation and calculating the relative quantitative results of metabolites in the metabolomics sample solution; and completing the structural identification of metabolites and differential metabolites in the metabolomics sample solution. The method can meet both qualitative and quantitative requirements using only a high-resolution mass spectrometry platform; the quantitative results are accurate, and the accuracy of the qualitative results are higher, having low costs, simple operation, and wide applicability. |
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AbstractList | The present invention belongs to the technical field of metabolomics, and relates to a metabolomics relative quantitative analysis method based on UPLC/HRMS. Specifically, the present method mainly comprises the steps of formulating an isotope internal standard mixed solution, a standard curve correction solution, and a metabolomics sample solution; acquiring raw mass spectrum data of the standard curve correction solution and the metabolomics sample solution; transposing and deconvolving the raw data; identifying and selecting the optimal isotope internal standard; fitting a linear equation and calculating the relative quantitative results of metabolites in the metabolomics sample solution; and completing the structural identification of metabolites and differential metabolites in the metabolomics sample solution. The method can meet both qualitative and quantitative requirements using only a high-resolution mass spectrometry platform; the quantitative results are accurate, and the accuracy of the qualitative results are higher, having low costs, simple operation, and wide applicability. |
Author | Ren, Jianhong Gu, Congshun Gu, Mengnan Xu, Ying Dai, Zhenli Xie, Guigang |
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Title | METABOLOMICS RELATIVE QUANTITATIVE ANALYSIS METHOD BASED ON UPLC/HMRS |
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