Figure 1: MALDI-MS analysis of N-glycans from a representative serum sample of crucian carp (Crucian-1).

Monosaccharides represented as galactose (
), mannose (
), N-acetylglucosamine (
), N-acetylneuraminic (
) and fucose (
). (a) MS spectrum of permethylated N-glycans; (b) MS spectrum of methylamidated N-glycans.