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. Author manuscript; available in PMC: 2022 Feb 25.
Published in final edited form as: J Am Soc Mass Spectrom. 2020 Aug 18;31(12):2511–2520. doi: 10.1021/jasms.0c00213

Figure 2.

Figure 2.

Representative spectra of a standard serum sample (top) and a standard plasma sample (bottom) analyzed with the N-glycan profiling method by MALDI-FTICR MS. A sample of detected N-glycans are annotated with putative structures. The experimental layout of the slide analyzed is displayed in the bottom right. The N-glycan compositions are represented by blue squares for N-acetylglucosamine, green circles for mannose, yellow circles for galactose, purple diamonds for sialic acid, and red triangles for fucose.