Method of preparing conjugates factor intrinsic - horseradish peroxidase.

摘要

The invention relates to a process for preparing conjugates factor intrinsic / horseradish peroxidase. & br / this process comprises a coupling agents heterobifunctional of crosslinking and a stabilization of the conjugates resulting in accordance with the n - ethyl - maleimide. & br / application: competitive isotopic analysis (vitamin b12 by means of a kit containing said conjugates.