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. Author manuscript; available in PMC: 2018 Apr 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2016 Oct 26;28(4):608–618. doi: 10.1007/s13361-016-1521-y

Figure 6.

Figure 6

(a) Representative extracted ion current (EIC) chromatograms and (b) MS spectrum of d0-labeled acetaldehyde (pre-exposure) and d3-labeled acetaldehyde (post-exposure) before and after alcohol exposure. (c) Quantitation of DNPH-derivatized carbonyls in saliva before and after alcohol exposure.