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[Activation of "silent" antibodies and their interaction with antigens]
Animal and human blood serum contains great amount of blocked (or "silent") immunoglobulins which, being activated by heating to 60 degrees C, pH decrease to 2.0-2.5 or treatment with 5M KSCN acquire a capacity to interact with different antigens. This interaction may be equally prevented or weakened by both identical and serologically non-related antigen, i.e. activated immunoglobulins are polyspecific. Polyspecific immunoglobulins show less affinity in comparison with monospecific antibodies, their interaction with antigens depends considerably on temperature.
Animal and human blood serum contains great amount of blocked (or "silent") immunoglobulins which, being activated by heating to 60 degrees C, pH decrease to 2.0-2.5 or treatment with 5M KSCN acquire a capacity to interact with different antigens. This interaction may be equally prevented or weakened by both identical and serologically non-related antigen, i.e. activated immunoglobulins are polyspecific. Polyspecific immunoglobulins show less affinity in comparison with monospecific antibodies, their interaction with antigens depends considerably on temperature.