Figure 3. Sensograms of the interaction of IgG2a with immobilized protein A on CM5 (A) and CMD500M (B) chips in the concentration range from 10 to 1000 nM: 1 -10 nM, 2 -25 nM, 3 - 50 nM, 4 - 100 nM, 5 -500 nM, 6 – 1000 nM.