Quantum™ Simply Cellular® (QSC) kits are comprised of five microsphere populations that are ~7-9μm in diameter: one blank and four labeled with increasing amounts of antibody. Each coated population binds a specific number of monoclonal antibodies of the noted species, which is equal to its Antibody Binding Capacity (ABC) value. The investigator labels QSC beads using the same antibodies used to stain cells. A free QuickCal® analysis template is provided with each kit to aid in determining the expression level of cells, and for evaluating instrument linearity and detection threshold. Quantum™ Simply Cellular® kits are available in three sizes: A (20 tests), B (100 tests), and C (280 tests). For additional information about working with these products,: