is the operation of transferring the tubes in which the reactions are performed from racks to water bath and thence to the centrifuge. In more than one blood bank it has been observed that the ...

IN a previous communication 1 mention was made of a device for rapidly and accurately reading the relative length of the packed red-cell column in the ungraduated capillary tubes used in the Guest ...

Blood sample tubes that contain a separating gel are often used to obtain blood serum for laboratory tests. After centrifugation, the inert acrylic gel at the bottom of the tube normally occupies ...