With unrivaled expertise in immunology on both sides of the client/CRO relationship, Nexelis (Formerly PAIRimmune) is a leading provider of assay development and specialty laboratory testing. Our versatile team of scientists, working with our advanced technology platforms, were instrumental in the development, qualification, validation, and large-scale sample testing of assays that supported the FDA filing of almost 100 new molecular entities, including blockbuster vaccines and soluble large molecules.