High recovery Ultracel regenerated cellulose membrane in a range of molecular weight cut-offs 

High retentate recovery of greater than 90% 

Vertical membrane reduces concentration polarization for ultra-fast spin times (as fast as 5 minutes) 

Heat-sealed membrane minimizes downstream extractables 

100% integrity tested for reliable performance 

Convenient sample monitoring with translucent housing and volume gradations 

Direct pipette sample access eliminates processing step to recover concentrate 

High concentration factors of 80–100X

Applications:

Concentration of biological samples containing antigens, antibodies, enzymes, nucleic acids, or microorganisms 

Purification of macromolecular components found in tissue culture extracts or cell lysates and protein removal prior to HPLC 

Concentration of dilute or pre-purified proteins from column eluents