Sigma-Aldrich this week launched the ProteoPrep 20 LC Column. According to the company, the column can filter out at 98 percent efficiency 20 abundant proteins that make up 97 percent of the human plasma proteome. The remaining proteins can also be concentrated and magnified 20-fold or greater, the company said.
The columns can accommodate a plasma or serum sample of 100 microliters and can be used to delete a minimum of 100 samples.