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. Author manuscript; available in PMC: 2021 Jul 21.
Published in final edited form as: J Am Soc Mass Spectrom. 2018 Feb 20;29(6):1221–1229. doi: 10.1007/s13361-018-1897-y

Fig. 5.

Fig. 5

MS3 CID mass spectra from MS2 product ions representing J5 E. coli lipid A at m/z 1796 (top) and core OS at m/z 1418 (bottom). Similar dissociation phenomena were observed as in MS2 experiments for chemically isolated lipid A and oligosaccharides, indicating feasibility of LPS top down sequencing in this manner

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