Vivascience has released the Vivapure Anti-Has Kit for human albumin depletion. The kit is based on anti-HAS antibody fragments coupled to cross-linked agarose for removal of 95 percent of albumin from a human sample without binding other proteins, according to the company. The kit can also remove 50 to 80 percent of rat and mouse albumin. The kit includes affinity-resin, centrifugal columns that can be filled with the amount of resin desired, micro-centrifuge tubes, and binding buffer for processing 12 serum samples.
BD Biosciences Clontech has released the BD Universal His Tag Western Blot Kit for detection of any histidine-tagged protein without antibodies. The detection reagent is derived from the BD Talon resin technology. The kit allows the user to detect as little as 1 ng of purified protein, according to the company.
FFE Weber of Planegg, Germany has announced the development of its ProMetheus Free Flow Electrophoresis system. The system provides for isoelectric focusing for fractionation of proteins; zone electrophoresis for separation of organelles, membranes, and whole cells; and iso-tachophoresis for enhanced separation range.