| Literature DB >> 26624790 |
Jun Kikuchi1,2,3, Yuuri Tsuboi1, Keiko Komatsu1, Masahiro Gomi1, Eisuke Chikayama1,4, Yasuhiro Date1,2.
Abstract
A new Web-based tool, SpinCouple, which is based on the accumulation of a two-dimensional (2D) (1)H-(1)H J-resolved NMR database from 598 metabolite standards, has been developed. The spectra include both J-coupling and (1)H chemical shift information; those are applicable to a wide array of spectral annotation, especially for metabolic mixture samples that are difficult to label through the attachment of (13)C isotopes. In addition, the user-friendly application includes an absolute-quantitative analysis tool. Good agreement was obtained between known concentrations of 20-metabolite mixtures versus the calibration curve-based quantification results obtained from 2D-Jres spectra. We have examined the web tool availability using nine series of biological extracts, obtained from animal gut and waste treatment microbiota, fish, and plant tissues. This web-based tool is publicly available via http://emar.riken.jp/spincpl.Mesh：
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Year: 2015 PMID： 26624790 DOI： 10.1021/acs.analchem.5b02311
Source DB: PubMed Journal: Anal Chem ISSN： 0003-2700 Impact factor: 6.986