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. 2019 Jul 10;15:1939–1950. doi: 10.2147/NDT.S203870

Figure 1.

Figure 1

(A) Typical UPLC-Q-TOF-MS TIC of hippocampus tissue from the QC sample of ESI+. (B) Typical UPLC-Q-TOF-MS TIC chromatogram of hippocampus tissue from the QC sample of ESI−.

Abbreviations: UPLC-Q-TOF-MS, ultra-high-performance liquid chromatography-mass spectroscopy; TIC, total ion chromatogram; QC, quality control, ESI, electrospray ionization.