PURIFACATION OF PREGNANCYSPECIFIC B1-GLYCOPROTEIN (SP1) FROM BLOOD SERUM URINE OR PLACENTA EXTRACTS

摘要

PROCESS FOR THE PURIFICATION OF THE PREGNANCY-SPECIFIC .beta.1-GLYCO- PROTEIN of the disclosure: Process for the purification of the pregnancy-specific .beta.1-glyco-protein, which comprises contacting an aqueous phosphate-con-taining solution which contains the pregnancy-specific .beta.1-glyco-protein with hydroxyl-apatite, separating the hydroxyl-apatite from the solution and isolating the SP1 from the solution.