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. 2011 Apr;22(1):21–26.

TABLE 2.

Methods used for quantification

Methoda Number
Gel-based (28%)
    2-D Coomassie 1
    2-D silver-stain 1
    2-D fluorescence 3
    2-D DIGE 5
MS/isotope (55%)
    iTRAQ 16
    16O/18O 2
    ICAT 1
    ICPL 1
    Label-free (17%) 6

aDIGE, Difference gel electrophoresis; iTRAQ, isobaric tags for relative and absolute quantitation; ICAT, isotope-coded affinity tag; ICPL, isotope-coded protein label.