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. 2012 Nov 12;13(11):14648–14666. doi: 10.3390/ijms131114648

Figure 3.

Figure 3

LC/MS and LC/MS2 detection of hydroxylamines from cellular PUFA peroxidation. (A) EIC of hydroxylamines in COX/AA cellular system, 8 h; (B) EIC of hydroxylamines in COX/DGLA cellular system, 12 h; (C) MS2 spectrum of hydroxylamines of m/z 297; (D) MS2 spectrum of hydroxylamines of m/z 325; (E) MS2 spectrum of hydroxylamines of m/z 449; and F) MS2 spectrum of hydroxylamines of m/z 355. Fragment a: M-[C(CH3)3]; b: M-[HO-N-C(CH3)3]; c: M-[R]; d: M-[POBN]. Note: in Figure 1B, the marked peak of m/z 449 in the COX/DGLA system comes from the conversion of DGLA to AA.