Abstract:
DETERMINATIONOFIMMUNOREACTIVEFRACTIONOFRADIONUCLIDELABELLEDMONOCLONALANTIBODIES(McAb)MiaoJishengShenYiWuJiyong(ShanghaiFirstPneumologyHospital,200433)ABSTRACTUsingbindingasayforradionuclidelabeledMcAbwithtargetcelantigen,immunore-activefractionoflabeledMcAbisdeterminedbylinearextrapolation.Thebasicprincipleofmethodandrelationformulaofequilibriumplotofimmunobindingreaction(T/B=1+1/(Ka·C)+T/C)aredescribed.ThetestdatademonstrateaverycloselylinearrelationshipofT/BasafunctionofT.TheimmunoreactivefractionoflabeledMcAbiscomputedbymeansoflinearregressionanalysis.Themethodasaqualitycontrolprocedureforradiola-beledMcAbisrecommended.Keywordsimmunoreactivefractionradiolabelmonoclonalantibody