Optimization of the Imaged cIEF Method for Monitoring the Charge Heterogeneity of Antibody-Maytansine Conjugate

Table 3

Statistical results of interday repeatability of icIEF profile of maytansinoid-antibody (n = 6 and 3 days).

pI			% area			Total area
Mean	SD	RSD%	Mean	SD	RSD%	Mean	SD	RSD%
8.4	0.017	0.2	11	0.440	4	524000	36680	7
8.5	0.034	0.4	15	0.750	5
8.6	0.017	0.2	13	0.650	5
8.7	0.026	0.3	11	0.770	7
8.8	0.009	0.1	7	0.280	4
8.9	0.009	0.1	4	0.160	4
9	0.018	0.2	1.7	0.102	6