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. Author manuscript; available in PMC: 2011 Jan 26.
Published in final edited form as: Carbohydr Res. 2009 Nov 3;345(2):250–256. doi: 10.1016/j.carres.2009.10.024

Figure 3.

Figure 3

ESIMS spectra of N-acetylheparosan disaccharide: [15N]N-acetylheparosan isolated from E. coli grown in minimal media containing 15NH4Cl (A) and [14N]N-acetylheparosan isolated from E. coli grown in LB culture broth (B).