Profile: The Binding Site Inc. specializes in the research, development & manufacture of high quality, immunodiagnostic assays in the fields of autoimmune disease, multiple myeloma and investigation of the immune response. We offer minineph bench top nephelometer & assays, radial immunodiffusion kits and antisera & conjugated antisera. Our Bindarid™ range of kits, based on conventional RID technology, is suitable for measuring protein concentrations down to approximately 5mg/mL. Our Nanorid™ kits use a novel technology to enable accurate quantitation of very low concentrations of protein in serum, urine, cerebrospinal fluid and other biological materials.