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. 2015 Apr 21;4(1):A0037. doi: 10.5702/massspectrometry.A0037

Table 2. Detection limits (fmol/well) of sulfated oligosaccharides.a) [Reproduced from ref. 12 with Copyright permission of American Chemical Society.].

Analytes Sensitivity improvement rate (fold)
No. Name FW [M+Na]+ [M−Na]
2,5-DHB G2CHCA G3CA 2,5-DHB G2CHCA G3CA
1 Neocarratetraose-41,3-di-O-sulfate (2Na+) 834.6 1000 100 1 100 10 1
2 Neocarrahexaose-41,3,5-tri-O-sulfate (3Na+) 1242.9 1000 10 5 100 1 1
3 Neocarrahexaose-24,41,3,5-tetra-sulfate (4Na+) 1345.0 ND 100 10 1000 10 1
4 Neocarradodecaose-41,3,5,7,9,11-hexa-sulfate (6Na+) 2467.9 ND 10 1 ND 1 1

a) The highest sensitivity is shown for each analysis when 1–1000 fmol/well of analytes were analyzed. ND indicates that analyte molecular ions were not detected.