Saccharide structure identification method and saccharide structure identification device
user-5ebe28444c775eda72abcdcf（2016）
Abstract
The invention discloses a saccharide structure identification method and a saccharide structure identification device. The saccharide structure identification method comprises the following steps: step I: predicating a sub structure corresponding to a spectral peak of a to-be-identified saccharide structure by utilizing multi-stage mass spectrum information, wherein the sub structure is used as a candidate sub structure of the corresponding spectral peak; and step II: assembling a complete saccharide structure by utilizing a De Novo saccharide structure identification technology according to the candidate sub structure corresponding to the spectral peak of the mass spectrum. According to the saccharide structure identification method, the identification of saccharide is realized by adopting the De Novo saccharide structure identification technology based on the multi-stage mass spectrum data of the saccharide structure, so that the multi-stage mass spectrum De NoVo saccharide structure saccharide structure identification algorithm is realized; and by effectively utilizing the multi-stage mass spectrum information, the efficiency of enumerating fragments of the saccharide structure in the De NoVo process is remarkably improved, and the set of the saccharide candidate structure is obviously reduced.
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Key words
Mass spectrum,Identification technology,Identification device,Combinatorial chemistry,Chemistry
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