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Coomassie blue stained SDS-PAGE gel of IgY extracted from egg yolk
M: Molecular weight marker; 1: Reference IgY; 2: Egg yolk in 10× dilution distilled water at pH 5.3; 3: Suspension of pellets from “2” after centrifugation; 4: Suspension from 33% saturated ammonium sulfate precipitates
