Fig. 1

Total ion current diagrams of XYS mass spectrometry analysis in (A) negative ion mode, and (B) positive ion mode, and of XYS drug-containing serum in (C) negative ion mode, and (D) positive ion mode.
Total ion current diagrams of XYS mass spectrometry analysis in (A) negative ion mode, and (B) positive ion mode, and of XYS drug-containing serum in (C) negative ion mode, and (D) positive ion mode.