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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: Talanta. 2015 Feb 10;138:117–122. doi: 10.1016/j.talanta.2015.01.040

Fig 6.

Fig 6

Effect of sample loading amount on BSA peptide analysis. A. Butterfly plot of base peak electropherograms of a 0.1 mg/mL BSA tryptic digest using the SCX-SPE system. Blue – 10 ng loading amount; signal multiplied by 10×. Green – 100 ng loading amount. B. % coverage and number of peptide IDs as a function of loading amount. Other conditions are same as Figure 5.