There were samples under an electron microscope and the operator described them as looking like two-edged razor blades. The guy who synthesized them first said they were an oxygen sponge and would gather in highly perfused organs and essentially asphyxiate the cells. As they travel through the blood stream they lyse every cell they touch and this causes clotting factors to be released. Your blood turns to sludge and clots form. Arterioles are blocked and the tissues downstream die. I believe the target organs are the brain, heart, and lungs.