We're moving to rndsystems.com. Come with us!

After August 17, 2026, Novus Biologicals products and services will no longer be available on this website; you will access all products and services on rndsystems.com. Create your R&D Systems online account today.

Stem Cell Markers

CD Markers and Evolving role of Antibodies in Flow Cytometry

Cluster of differentiation (CD) antigens are membrane proteins in nature that are predominantly expressed on the leukocyte surface. However diminutive sums of CD antigens have also been reported to be expressed on other cell types which include the endothelial, stem, and dendritic cells along with erythrocytes.