Positive Test (1 of 2) (IMAGE)

Harvard University

Positive Test (1 of 2)

Caption

This is a capillary tube showing a positive test for sickle cell disease. The system works by using polymers which self-assemble into layers which can separate red blood cells according to their density. The more dense cells infected with sickle cell disease fall to the bottom of the tube.

Credit

AJ Kumar

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