From: Immobilized pH gradient-driven paper-based IEF: a new method for fractionating complex peptide mixtures before MS analysis
S1
Step and hold
500 V
0.5 kV-h
S2
Gradient
1000 V
1.0 kV-h
S3
8000 V
13.5kV-h
S4
60kV-h
S5
20 h