Preparation of blood plasma and serum samples

摘要: In a method of preparing plasma sample, blood from donor is placed in the inner two concentric tubes which are releasably connected together. The outer sample tube labelled with data relating to sample. After have been centrifuged separate out blood, disconnected so that can be poured into tube. tube, carries label, then retained for analysis. As an alternative centrifuging, leakage path permeable but not cells provided at base and forced by application external pressure.