Research Article

Development and Validation of an Affinity Chromatography-Protein G Method for IgG Quantification

Table 2

Factors, levels, design, and experimental results (IgG conc) obtained during the Plackett-Burman factorial study for robustness.

ExppH mobile phase AMolarity mobile phase A (M)pH mobile phase BMolarity mobile phase B (M)Batch of columnMolarity mobile phase C (M)Oven temperature (°C)IgG conc. (mg/mL)

17,60,0512,50,241a0,24235,37
27,40,0512,50,262b0,26235,43
37,40,0492,50,261a0,24275,59
47,60,0492,30,261a0,26235,32
57,40,0512,30,241a0,26275,60
67,60,0492,50,242b0,26275,62
77,60,0512,30,262b0,24275,37
87,40,0492,30,242b0,24235,23

aPorosG20 series number 18095 bPoros G20 series number 18096.