Millipore® Amicon® Ultra-4 Centrifugal Filter Concentrators

Millipore Amicon® Ultra-4 centrifugal filter concentrators provide your lab highly reproducible protein assay purification results without denaturing the sample, losing enzymatic activity or binding functions. These filtering concentrators allow for concentration without compromising yields -- even if your sample is labile or low in abundance. These centrifugal filters feature a regenerated cellulose membrane which provides fast, gentle sample concentration, desalting and fractioning of your proteins and buffer exchanges. They provide high retentate recovery of greater than 90% with a heat-sealed membrane which minimizes downstream extractables. Concentration factors range between 80 to 100X.

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