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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: Anal Bioanal Chem. 2010 Sep 19;399(2):541–557. doi: 10.1007/s00216-010-4117-6

Fig. 7.

Fig. 7

a–e Tandem mass spectra of the [M-2H]2− precursor ion of an HS tetrasaccharide (ΔUA-GlcN-GlcA-GlcNAc) obtained using a EDD, b IRMPD, c CAD, and d NETD. e Tandem mass spectrum of ΔUA-GlcN-IdoA-GlcNAc obtained using EDD. Doubly charged product ions are indicated with an asterisk. Adapted from [120, 121, 124] with permission