Sample mass spectrum analysis
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United States of America Patent
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Jul 14, 2020
Grant Date -
May 31, 2018
app pub date -
May 27, 2016
filing date -
May 29, 2015
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Abstract
A method of analysing a sample mass spectrum comprises comparing a sample mass spectrum of a sample with each reference mass spectrum of plural reference mass spectra. A similarity index is assigned to each reference mass spectrum of the plural reference mass spectra based on similarity between the sample mass spectrum and the reference mass spectrum. For each group of one or more groups of the plural reference mass spectra, the similarity indexes for the reference mass spectra belonging to the group are combined so as to provide a group index for the group at a first level of a hierarchy of sample characteristics. The reference mass spectra belonging to each group are mass spectra of reference samples that have a particular characteristic in common. The method provides a way to categorise a sample as belonging to a particular group of reference samples.
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