Nonspecific binding of irrelevant antibodies to the complexes of proteinic antigen and its antibody.
D000818:Animals; D000936:Antigen-Antibody Complex; D001798:Blood Proteins / Q000276:immunology; D005189:False Positive Reactions; D006801:Humans; D007122:Immunoelectrophoresis; D012709:Serum Albumin / Q000302:isolation & purification*
D000936:Antigen-Antibody Complex; D001798:Blood Proteins; D012709:Serum Albumin