SCREENTRAK

Diagnostic preparations, namely, assay systems for measuring various materials in biological fluids for scientific and research use; diagnostic preparations, namely, assay systems comprised primarily of buffers, substrates, enzymes for measuring various materials in biological fluids for scientific and research use; screening reagents, namely, fluorescently labelled ligands and radio labelled ligands for chemical asymmetric synthesis; screening reagents, namely scintillation proximity assay (SPA) imaging beads for scientific or research use.