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. Author manuscript; available in PMC: 2019 Sep 15.
Published in final edited form as: Rapid Commun Mass Spectrom. 2018 Jun 6:10.1002/rcm.8197. doi: 10.1002/rcm.8197

FIGURE 3.

FIGURE 3.

EI-spectra of four amino acids (A) aspartic acid, 3TMS; (B) glutamic acid, 3TMS; (C) valine, 2TMS, and (D) tryptophan, 3TMS) obtained from the high-resolution 1D GC/Orbitrap-MS platform.