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. Author manuscript; available in PMC: 2014 May 1.
Published in final edited form as: Anal Bioanal Chem. 2013 Mar 7;405(12):4089–4105. doi: 10.1007/s00216-013-6817-1

Table 1.

Relative standard deviation (RSD) of the H/D ratios for twelve HMOs analyzed by MALDI FTMS (n=3).

HMO Sample 1 Sample 2 Sample 3 Sample 4
Neutral Mass H/D ratio RSD H/D ratio RSD H/D ratio RSD H/D ratio RSD
709.264 1.86 ± 0.03 1.41 3.34 ± 0.36 10.67 2.23 ± 2.23 13.61 0.54 ± 0.07 13.14
855.322 1.55 ± 0.05 3.18 2.60 ± 0.11 4.05 1.92 ± 0.07 3.98 1.48 ± 0.05 3.66
1001.380 1.46 ± 0.03 2.18 2.42 ± 0.09 3.72 1.84 ± 0.05 2.16 1.62 ± 0.09 5.58
1074.396 1.47 ± 0.03 1.82 3.03 ± 0.07 2.25 1.92 ± 0.20 10.51 0.41 ± 0.04 9.34
1220.454 1.25 ± 0.01 0.69 2.72 ± 0.14 5.29 1.87 ± 0.00 0.04 1.22 ± 0.04 2.99
1366.512 1.21 ± 0.05 3.74 2.63 ± 0.18 6.76 1.88 ± 0.08 4.07 2.91 ± 0.01 0.28
1439.528 1.37 ± 0.05 3.32 2.86 ± 0.07 2.61 1.62 ± 0.10 5.42 0.11 ± 0.01 8.39
1512.570 1.24 ± 0.10 7.76 2.38 ± 0.18 7.51 2.27 ± 0.22 6.53 2.75 ± 0.06 2.11
1585.586 1.23 ± 0.05 4.05 2.58 ± 0.32 12.45 1.58 ± 0.12 9.16 0.27 ± 0.03 11.83
1731.644 1.08 ± 0.03 3.17 2.46 ± 0.36 14.46 1.50 ± 0.09 6.06 0.62 ± 0.00 0.69
1804.661 1.03 ± 0.13 12.37 3.00 ± 0.41 13.81 1.40 ± 0.09 3.52 0.07 ± 0.00 5.03
1950.719 1.00 ± 0.04 4.43 2.40 ± 0.21 8.71 1.21 ± 0.06 4.27 0.13 ± 0.01 6.60