Figure 2: BQB and BQB-d7 labeled urine in nasopharyngeal cancer analyzed by IL-LC-DPI-MS.

(A) Total ion chromatogram of DPI analysis; (B) Extracted ion chromatograms of m/z 333 and 340 from BQB and BQB-d7labeled ion chromatograms, respectively.
(A) Total ion chromatogram of DPI analysis; (B) Extracted ion chromatograms of m/z 333 and 340 from BQB and BQB-d7labeled ion chromatograms, respectively.