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Contact: Peter Reuell
Harvard University

Positive Test (2 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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Related news release: Faster, cheaper tests for sickle cell

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