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A new method for phenotyping red blood cells using microplates.

F Llopis¹, F Carbonell-Uberos, M C Montero

¹Regional Blood Transfusion Center, Valencia, Spain. fcarbone@san.gva.es

|November 5, 1999

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A new, low-cost red blood cell (RBC) phenotyping system using an intensified buffer significantly improves the availability of phenotyped blood for patients with RBC antibodies.

Area of Science:

Transfusion Medicine
Immunology
Biochemistry

Background:

Phenotyping red blood cells (RBCs) for patients with RBC antibodies is challenging for blood banks.
Limited availability of phenotyped blood impacts patient care.

Purpose of the Study:

To develop a cost-effective typing system for extensive phenotyping of blood donors.
To increase the supply of phenotyped RBC units for transfusion.

Main Methods:

Development of a novel buffer to enhance antigen-antibody reactions.
Microplate-based phenotyping procedure.
Validation of results using tube or gel typing methods.

Main Results:

Successfully phenotyped 20,435 blood donors.

Related Experiment Videos

Performed 3,584 phenotyping tests for 752 transfusion units.

Achieved complete agreement between the new method and traditional typing techniques.

Conclusions:

The new technique is effective for large-scale RBC phenotyping.
This method offers a low-cost solution to improve phenotyped blood availability.
Facilitates better transfusion support for patients with antibodies.