Testing for blood type just got significantly cheaper

A study by Australian scientists has resulted in the development of a test for blood type that can be performed using antibody impregnated paper manufacturable for a few cents per test, which is significantly cheaper than existing tests of a similar nature. This could make all the difference in the developing world, considering it's essential to test for blood type before performing a blood transfusion on a patient whose blood type is unknown. The test essentially allows blood type to be determined based on the distance the blood travels along the channels in the paper from the point where it is dropped.

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