Immense Wise - Principle of Elisa Test Elisa principle is a method used to measure the antigen concentration level of an unknown sample. IT is like a diagnostic tool in pathology or medicines related to plants. Study Elisa Principle before using Elisa kit. Boster bio is a well known antibody and Elisa kit manufacturer in USA. Visit our website, to know more about us. Tue, 29 May 2018 11:13:45 UTC en