material processing addition of molecular label OBI developer call, 3-12-12 PERSON:Matthew Brush The addition of phycoerytherin label to an anti-CD8 antibody, to label all antibodies. The addition of anti-CD8-PE to a population of cells, to label the subpopulation cells that are CD8+. labeling a material processing technique intended to add a molecular label to some input material entity, to allow detection of the molecular target of this label in a detection of molecular label assay addition of molecular label