Method for structural analysis of organic compound
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United States of America Patent
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Jan 3, 2023
Grant Date -
Nov 18, 2021
app pub date -
Jun 28, 2021
filing date -
Apr 27, 2020
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Abstract
One mode is a method for the structural analysis of an organic compound by MALDI mass spectrometry, including: a sample preparation process (S1) which includes preparing a sample by mixing a specimen containing an organic compound to be analyzed with a predetermined matrix at a mixture ratio within a range from 1:5 to 1:5000 in molar ratio; a mass spectrometry process (S3) which includes irradiating the prepared sample with a laser beam having a spot size equal to or smaller than 15 μm to generate ions originating from a component of the specimen in the sample, and performing a mass spectrometric analysis of the generated ions; and an analyzing process (S4) which includes detecting, from a mass spectrum acquired in the mass spectrometry process, ions including product ions resulting from in-source decay, and estimating the structure of the organic compound to be analyzed based on information concerning the ions.
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