Effect of extraction methods on two pregnancy related, antigenic components of human chorionic gonadotropin preparations.
One of the pregnancy related, antigenic components of HCG preparations is not readily detected in kaolin extracts of pregnancy urines; it is however, readily detected in these urines when concentrated by lyophilization or in their benzoic acid extracts.
D000818:Animals; D000941:Antigens / Q000652:urine; D001565:Benzoates; D006063:Chorionic Gonadotropin / Q000276:immunology / Q000652:urine*; D005260:Female; D005612:Freeze Drying; D006801:Humans; D007122:Immunoelectrophoresis; D007616:Kaolin; D011247:Pregnancy; D011817:Rabbits / Q000276:immunology
D000941:Antigens; D001565:Benzoates; D006063:Chorionic Gonadotropin; D007616:Kaolin