Unfilters are high performance ultrafiltration plates designed by Unchained Labs to work with the Big Tuna and Big Kahuna UF/DF automated buffer exchange systems.

The Unfilters are made of polypropylene with regenerated cellulose membranes at various molecular weight cutoffs.

Unfilter 96:
Membrane molecular weight cutoffs: 3, 10, 30, and 100 kDa 10, 30, and 100 kDa
Protein concentration: Up to 200 mg/ml
Protein retention*
3 kDa: ≥98% (lysozyme)
10 kDa: ≥96% (IgG)
30 kDa: ≥96% (IgG)
100 kDa: ≥92% (Fibrinogen)
10 kDa: ≥96% (IgG)
Optimal mixing speed: 875 rpm

Unfilter 24:
Membrane molecular weight cutoffs: 10, 30, and 100 kDa
Protein concentration: Up to 200 mg/ml
Protein retention*
10 kDa: ≥96% (IgG)
Optimal mixing speed: 875 rpm