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Table 4 LC–MS analytical parameters for investigated compounds and internal standards used for lipids quantification

From: Macrophage-mediated tissue response evoked by subchronic inhalation of lead oxide nanoparticles is associated with the alteration of phospholipases C and cholesterol transporters

Compound name

Retention time (min)

MRM transitions for quantification

Precursor ion → Product ion [m/z]

Collision energy [V]

FC

8.4

369.3 → 147.1

24

CE 16:0

18.7

642.6 → 369.3

8

CE 18:2

18.3

666.6 → 369.3

10

CE 18:1

18.6

668.6 → 369.3

20

CE 20:4

18.0

690.6 → 369.3

10

CE 22:6

17.8

714.6 → 369.3

30

d7-FC

8.3

376.4 → 147.1

24

d7-CE 16:0

18.7

649.7 → 376.4

8