UHPLC-Q-TOF MS-Based Metabolic Analysis for the Therapeutic Efficacy of “Xuebijing Injection” against Sepsis-Induced Acute Lung Injury

Figure 4

Identification of a selected marker (m/z=137.0458). (a) Extracted ion chromatogram (EIC) of a commercial standard hypoxanthine (=0.996 min); (b) EIC of m/z 137.05 (=0.997min); (c) MS/MS spectrum of a commercial standard hypoxanthine; (d) MS/MS spectrum of the ion. The collision energy was 10V.

(a)

(b)

(c)

(d)