Figure 7

MALDI-TOF MS spectra of (a) 50 fmol, (b) 10 fmol human IgG tryptic digests after enrichment by Fe3O4@MPS@PMAC and (c) 10 fmol human IgG tryptic digests after enrichment by commercial HILIC.

MALDI-TOF MS spectra of (a) 50 fmol, (b) 10 fmol human IgG tryptic digests after enrichment by Fe3O4@MPS@PMAC and (c) 10 fmol human IgG tryptic digests after enrichment by commercial HILIC.