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. Author manuscript; available in PMC: 2015 Jun 15.
Published in final edited form as: Anal Biochem. 2014 Apr 1;455:35–40. doi: 10.1016/j.ab.2014.03.016

Fig. 1.

Fig. 1

Collision induced dissociation (CID) mass spectra of trimethylamine-N-oxide (TMAO, Panel A) and trimethylamine-N-oxide-d9 (d9-TMAO, Panel B). Proposed pathways for formation of the fragment ions are also shown.