UHPLC-MS analysis, however, showed that this ion was an isotopologue of m/z 283 − , also a highly significant differentiating species (Table S1), and eluted at a later retention time than authentic xanthurenic acid sulphate [ 27 ].
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Identification of urinary biomarkers of colon inflammation in IL10-/- mice using Short-Column LCMS metabolomics.
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