Positive Procedure Control

Compatible with most flow cytometry systems

CD-Chex® Plus from Streck, Omaha, Neb, is a positive procedure control manufactured from normal human peripheral blood leukocytes and erythrocytes. The product provides the assayed CD markers, including T lymphocytes, B lymphocytes, granulocytes, monocytes, and NK cells. CD-Chex Plus determines the accuracy and reproducibility of the steps involved in the process of the immunophenotyping procedure, including verification of mAb reagents, validation of instrument performance, validation of operator technique, and verification of red blood cell lysis. It is compatible with most popular flow cytometry systems. CD-Chex Plus has a 30-day open-vial stability and up to a 90-day closed-vial stability.

Streck
(800) 228-6090
www.streck.com


Positive Procedure Control

Used in evaluating CD34 antibody

CD-Chex® CD34 from Streck, Omaha, Neb, is a positive procedure control for enumerating CD34 positive cells by flow cytometry. CD-Chex CD34 is a preparation of human blood to be used when evaluating CD34 antibody binding by flow cytometry. It was the first and only commercial control available in three levels of control. It is compatible with ISHAGE gating strategies, as well as the commercially available ProCount and Stem-Kit enumeration kits. CD-Chex CD34 has a 30-day open-vial stability and up to a 90-day closed-vial stability.

Streck
(800) 228-6090
www.streck.com


Immunophenotyping Control

One of the most assayed cd markers in the industry

The CD-Chex® Plus BC from Streck, Omaha, Neb, is a positive procedure assayed control for immunophenotyping on Beckman Coulter® flow cytometry systems. CD-Chex Plus BC determines the accuracy and reproducibility of all of the steps involved in the process of immunophenotyping, including red blood cell lysis. It provides the most assayed CD markers in the industry, including T lymphocytes, B lymphocytes, granulocytes, monocytes, and NK cells. CD-Chex Plus BC CD4 Low offers a depressed CD4 absolute number often indicated in patients with immunodeficiency diseases. CD-Chex Plus BC has a 30-day open-vial stability and up to a 90-day closed-vial stability.

Streck
(800) 228-6090
www.streck.com