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. Author manuscript; available in PMC: 2013 Jan 15.
Published in final edited form as: Talanta. 2011 Nov 29;88:324–329. doi: 10.1016/j.talanta.2011.10.048

Fig. 4.

Fig. 4

Histogram of detection limits (3 σ) for a set of 55 peptides from the tryptic digest of four standard proteins. Concentration detection limits are on the upper axis; mass detection limits on the lower axis.