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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: J Mass Spectrom. 2011 Jan;46(1):85–89. doi: 10.1002/jms.1864

Figure 2.

Figure 2

Raw MALDI-TOF spectra of processed QC serum: (a) C3 magnetic bead fractionation, (b) 50K ultrafiltration + C3 purification, (c) 2% TFA denaturation + 50K ultrafiltration + C3 purification.