Absolute zero is the coldest possible temperature, at which no heat is left in a substance and its particles display no motion whatsoever. Absolute zero is equal to 0 K on the Kelvin scale, which is... Absolute zero is the coldest possible temperature, at which no heat is left in a substance and its particles display no motion whatsoever.
Serum is plasma that has been allowed to clot. It is prepared in the same way as plasma; however, the blood is collected into a tube with no anticoagulant. While spinning in the centrifuge, the clot moves with the cells to the bottom of the blood collection tube, leaving the serum on top.
Library Article bottom when the blood is spun in a centrifuge. If the serum is pink it indicates hemolysis, if it is milky or cloudy it indicates lipemia. Hemolysis can alter the results for amylase, lipase, ALT, AST, calcium and phosphorus, while lipemia can affect glucose, sodium, potassium and protein. Your veterinarian may order other more specific blood work, but these are the basic tests I will be covering in this article.