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Updated: Feb 12, 2026

Gradient Echo Quantum Memory in Warm Atomic Vapor
Published on: November 11, 2013
Warm autoadsorption using ZZAP
Farai M Tsimba-Chitsva1, Amy Caballero2, Becky Svatora3
1Midwest Region American Red Cross Reference Laboratory, American Red Cross, 3838 Dewey Avenue, Omaha, NE 68105.
Conclusions:
The masking of clinically significant alloantibodies by warm autoantibodies presents challenges in pretransfusion testing. The adoption of transfusion practices such as the issuing of "least incompatible" red blood cells (RBCs) without a complete antibody workup is potentially unsafe for patients. Several autoadsorption methods can be used to remove autoantibody reactivity. ZZAP treatment of autologous RBCs is an efficient way to prepare the cells for autoadsorption. Autoadsorbed serum or plasma can then be used to remove autoantibody reactivity and identify clinically significant alloantibodies.
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