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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Anal Chem. 2011 Jun 3;83(13):5107–5113. doi: 10.1021/ac103271w

Figure 4.

Figure 4

Fragmentation behavior of H. pylori lipid A (MW 1548.2) by (a) CID, 1-, and (b) 193 nm UVPD, 1-. Dashed lines represent cleavage sites, and are matched with the m/z values to the right of the structure, which were taken from the representative mass spectrum (Supplemental Figure 2). Key cleavages seen for UVPD and a-EPD that were not observed for CID or IRMPD are marked with red lines.