COINS OF PLASMA.
SIMPLIFIED PROCESS. NEW YORK r . Separation of antishock plasma from whole blood has in the past involved expensive centrifuge machinery and elaborate refrigeration. But now comes a method so simple it could be used to process blood from soldier donors in the midst of battle. Discoverers of the technique are Dr. Charles’S. White and Dr. Jacob > J. Weinstein, of the Galliinger Hospital, Washington, D.C. They use no machinery at all. Instead, they coat the inside of the bottle into, which the donor’s blood flows With a mixture of nontoxic methyl cellulose (to speed the separation process) and sodium citrate (to prevent clotting). In the presence of these chemicals, and at room temperature, The-Ted' • blood cells spread out like coins (a phenomenon called rouleaux formation) and pile up at the bottom ot the bottle. Within four hours the •- plasma can be drained off and transfused. ' I
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Ashburton Guardian, Volume 65, Issue 43, 30 November 1944, Page 5
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148COINS OF PLASMA. Ashburton Guardian, Volume 65, Issue 43, 30 November 1944, Page 5
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