Comparative Assessment of Affinity-Based Techniques for Oriented Antibody Immobilization towards Immunosensor Performance Optimization

Figure 4

Images recorded from GOPTS-protein A/G-modified surfaces upon incubation with 10 μg/ml of Cy5-labeled secondary antibodies. (a) 50 μg/ml concentration of protein A/G (min gray , max gray , mean gray , ). (b) 100 μg/ml concentration of protein A/G (, , , ).

(a)

(b)