Table 1.

Summary of the results of ESI-TOFMS measurements of size-defined [¹⁵N]N-acetylheparosan oligosaccharides.

Oligosaccharide	ESI-TOFMS [M −nH]n − (m/z)
Size	Charge state (n)	Calculated	Found
2-mer	−1	379.10	379.09
4-mer	−1	759.21	759.20
6-mer	−1	1139.32	1139.34
8-mer	−2	759.22	759.22
10-mer	−2	949.27	949.27
12-mer	−3	759.22	759.20
14-mer	−3	885.92	885.90
16-mer	−4	759.22	759.47
18-mer	−3	1139.33	1139.65
20-mer	−4	949.27	949.52