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Elemental composition determination based on MSn
Author(s) -
Miguel RojasChertó,
Piotr T. Kasper,
Egon Willighagen,
Rob J. Vreeken,
Thomas Hankemeier,
Theo Reijmers
Publication year - 2011
Publication title -
bioinformatics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.599
H-Index - 390
eISSN - 1367-4811
pISSN - 1367-4803
DOI - 10.1093/bioinformatics/btr409
Subject(s) - elemental analysis , mass spectrometry , composition (language) , identification (biology) , chemistry , computer science , mass spectrum , chromatography , biology , organic chemistry , philosophy , linguistics , botany
Identification of metabolites is essential for its use as biomarkers, for research in systems biology and for drug discovery. The first step before a structure can be elucidated is to determine its elemental composition. High-resolution mass spectrometry, which provides the exact mass, together with common constraint rules, for rejecting false proposed elemental compositions, cannot always provide one unique elemental composition solution.

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