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Separation of Malaria-Infected Erythrocytes from Whole Blood

George Whitesides of Harvard College in the U.S. will develop a novel low-cost device that can detect the presence of malaria-infected red blood cells in a drop of blood using an egg beater as a centrifuge. The blood drop is added to a short polyethylene tube filled with three polymer solutions, each of which have different densities and do not mix. The tube is connected to an egg beater and rotated for five minutes, allowing the blood to separate into layers of healthy erythrocytes, infected erythrocytes and white blood cells, detectable in the spaces between the polymer layers.

More information about Create Low-Cost Diagnostics for Priority Global Health Conditions (Round 4)

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The Bill & Melinda Gates Foundation is part of the Grand Challenges partnership network. Visit www.grandchallenges.org to view the map of awarded grants across this network and grant opportunities from partners.