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. Author manuscript; available in PMC: 2012 Dec 1.
Published in final edited form as: Lipids. 2011 Sep 9;46(12):1169–1179. doi: 10.1007/s11745-011-3609-2

Figure 2.

Figure 2

Neutral loss of 368.5 MS/MS analyses of an equimolar mixture of the cholesteryl esters (each at 2 µM) as sodiated adducts. Spectra were obtained using the neutral loss 368.5 at a collisional energy of 25 eV as described in “Materials and methods”. Horizontal dashed lines highlight the disparate ionization efficiencies associated with CE molecular species containing different levels of unsaturation.