Immunological Techniques
In Counter immunoelectrophoresis

the antibody will migrate towards anode
the antibody will migrate towards cathode
electrophoresis will drive the antibody and antigen toward each other
electrophoresis will drive the antibody and antigen parallel to each other

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Immunological Techniques
What would happen if serum is omitted from the ELISA, but all other steps remain same?

Anti-human Ig-conjugate would bind non-specifically to the ELISA plate
Anti-human Ig-conjugate would not bind and be washed away
The OD values would be nearly the same as the assay control
Both (a) and (b)

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