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. Author manuscript; available in PMC: 2015 Nov 7.
Published in final edited form as: Analyst. 2014 Nov 7;139(21):5439–5450. doi: 10.1039/c4an00567h

Figure 4.

Figure 4

A: Comparative plots showing the relative standard deviation for 23 peptides in 3 samples of wild-type P. trichocarpa stem differentiating xylem tissue for two methods of implementing RA thresholds. This plot shows a comparison of “Old” and “New” RA calculation methods with no significant difference between the RSD of the measurements made.

B: The percent of quantifiable data points was shown to increase using the new RA calculation and thresholds. Six additional data points out of sixty-nine were quantifiable using new methods.