1| Gather the IEF gel tubes and set up the IEF casting apparatus. A handy casting device (described in ref. 2) fills up to 15 gel tubes automatically. The IEF tubes are placed upright in the tube ...

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 ...