The Determination of Polymyxin B in Critically Ill Patients by the HPLC-MS/MS Method

Figure 2

The product iron scan of PB1/PB1-I (a), PB2/PB3 (b), and PE2 (c) showing fragmentation patterns of PB1/PB1-I, PB2/PB3, and PE2 (IS).

(a)

(b)

(c)