TOYOPEARL, TOYOPEARL GigaCap, and TSKgel cation exchange resins are polymer based media developed for the separation of biomolecules including monoclonal antibodies and peptides. Several of these resins are available in multiple particle sizes allowing for their use in capture, intermediate purification or polishing process steps.
The following cation exchange resins are currently available from Tosoh Bioscience (available grades noted):