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. Author manuscript; available in PMC: 2016 Jul 14.
Published in final edited form as: Rapid Commun Mass Spectrom. 2013 Jun 30;27(12):1294–1302. doi: 10.1002/rcm.6572

Figure 6.

Figure 6

Measurement of 2H3-leucine labeling in apo(a) in three subjects. Samples were analyzed from humans displaying a range of plasma apo(a) levels (211.9, 199.7, 68.8 nM, respectively). The LDL and HDL lipoprotein fractions were prepared by ultracentrifugation and then combined for a given subject and trypsinized into peptides, and analyzed using the microfluidic device and the Xevo TQS using unit resolution on both Q1 and Q3 quadrupoles.