METHOD OF ESTIMATING CARCINOEMBRYONIC ANTIGEN IN BLOOD SERUM

摘要

1321999 Detecting carcinoembryonic antigen F HOFFMANN-LA ROCHE & CO AG 15 June 1970 [1 June 1970] 53215/72 Divided out of 1321997 Heading B1X The presence of carcinoembryonic antigen (CEA) in blood is detected by adding a measured amount of anti-CEA serum (see Specification 1,322,000) to a perchloric acid extract of the blood serum adding a measured amount of radioactive tagged CEA (see Specification 1321998) incubating, adding a protein precipitant and measuring the radioactive content of the co-precipitated CEA anti-CEA or of the remaining supernatant liquid.