G - Physics – 01 – N
Patent
G - Physics
01
N
233/1
G01N 1/18 (2006.01) G01N 1/28 (2006.01)
Patent
CA 1313516
Abstract of the Disclosure An apparatus for sequentially fractionating a centrifuge tube includes a capillary tube and a means for applying positive pressure. The capillary tube has an O-ring at the lower end thereof. As the capillary tube is placed within the centrifuge tube, the O-ring forms a seal within the tube. Movement of the capillary tube within the centrifuge tube places the liquid in the centrifuge tube under pressure, thus forcing the liquid to flow up through the capillary tube and into a chamber. A chase fluid is then pumped horizontally through the chamber to force the liquid therein through an exit port and into a fraction collector. The apparatus and method of the present invention may be entirely automated and controlled by a single microprocessor. The apparatus has utility in the sedimentation separation in cesium chloride of biotechnology materials.
506857
Attri Arun K.
Minton Allen P.
Sullivan James V.
Attri Arun K.
Minton Allen P.
Sullivan James V.
Swabey Ogilvy Renault
U.s. Departm Ent Of Commerce The United States Of America Represented By The Secretary
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