The Binding Activity of Trastuzumab emtansine (Ado-Trastuzumab emtansine) and Cantuzumab ravtansine (Synonyms:IMGN242) with Anti-DM1 antibody. Activity: Measured by its binding ability in a functional ELISA. Immobilized Trastuzumab emtansine (Ado-Trastuzumab emtansine) and Cantuzumab ravtansine (Synonyms:IMGN242) at 2 μg/mL can bind Anti-DM1 antibody, the EC<sub>50</sub> is 4.298 to 7.331 ng/mL and no.