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. Author manuscript; available in PMC: 2010 Nov 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2009 Aug 7;20(11):2006–2012. doi: 10.1016/j.jasms.2009.07.019

Figure 2.

Figure 2

Calibration curves for laminin and tpPSA1–9 for both gradient elution and isocratic elution experiments are shown. The overlap of the peptides with different alkylating reagents demonstrated that all combination could be used to perform absolute quantification experiments with a PC-IDMS methodology.