Method of measuring the molecular weight of phosphoric acid monoester compound and additive for mass spectrum measurement

The present invention provides a method for confirming existence of a phosphoric acid monoester compound (peptide, saccharine and the like) and easily identifying the molecular weight thereof even among biological samples including a plurality of compounds, and an additive for a mass spectrometry us...

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Bibliographic Details
Main Author KOIKE TORU,MINAMI NORIO,KAWASAKI AKIHIKO
Format Patent
LanguageEnglish
Published 05.04.2006
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:The present invention provides a method for confirming existence of a phosphoric acid monoester compound (peptide, saccharine and the like) and easily identifying the molecular weight thereof even among biological samples including a plurality of compounds, and an additive for a mass spectrometry used for the method. In the method according to the present invention, a complex compound exhibiting extremely high coordination ability to a phosphoric acid monoester group and configured of single kind of zinc isotopes is used to obtain a plurality of mass spectrum data, and then the data are compared.
Bibliography:Application Number: CN200380110118