Tag Archive: buffy coat

Buffy Coats

October 2, 2012 at 11:33 am
Published by



By Billie Rubin, Hemoglobin's Catabolic Cousin, reporting from the labs of Stanford Blood Center

The term "buffy coat" might make you think of a shiny car wax, but in the world of blood banking, buffy coat refers to the white layer between red blood cells and plasma in a unit of whole blood after it has been spun down in a centrifuge. The buffy coat contains white blood cells, the soldiers of the immune system.