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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2013 Apr 23;24(6):816–827. doi: 10.1007/s13361-013-0622-0

Figure 3.

Figure 3

Comparison of transient averaging and multiple fills for selected product ions of Histone H3.3. The average S/N of 10 representative product ions from Fig. 4 as a function of the number of microscans (A-QLT ETD) or fill (MDC ETD). B) The average elapsed MS/MS scan time to perform A-QLT ETD using microscans or MDC ETD using multiple fills. These values are from histone infusion experiments where the average time required to accumulate 5×105 precursor charges for MS/MS was ~ 4.5 ms. The Orbitrap resolving power was set to 60k (768 ms transient).