Pdl1 Negative Cell 5xready-To Use Cntrl , Each

Details:

Pd-l1 negative cell 5x^ pd-l1 negative cell, 5x one-time, ready-to-use control cells for pd-1/pd-l1 blockade bioassay, cho-k1 cells with an engineered cell surface protein designed to activate cognate tcrs in an antigen-dependent manner, serve as a negative control in pd-1/pd-l1 blockade bioassay