Cell IDx is a biotechnology company developing highly sensitive and specific reagents for research and clinical immunohistochemistry and other immunoassays. With expertise in bio-organic chemistry and assay development, Cell IDx has developed ultra-sensitive, low-background secondary antibody-HRP polymers for immunohistochemistry.

Cell IDx also offers custom conjugation services. They have over 50 years of experience conjugating and immobilizing all biomolecules to other biomolecules and surfaces with the highest yields while retaining the biological activity of the biomolecule.