BMC Bioinformatics

Table 4 Intensities of GC/MS peaks in C2-C4 fragment of glutamate for various commercially available isotopomers

From: MIDcor, an R-program for deciphering mass interferences in mass spectra of metabolites enriched in stable isotopes

m/z	151	152	153	154	155	156	157	158	159
natural	6293	712362	110422	12185	1821	3166	528	8002	877
Q3-¹³C	1562	10455	652415	63645	8745	1225	2767	386	4340
QU-¹³C	315	2406	3923	24427	833038	64103	9910	838	484

Here “Q3-¹³C” states for the sample where only one ¹³C is introduced in position 3, and “QU-¹³C” states for uniformly ¹³C labeled sample

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ISSN: 1471-2105

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